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Beyonce Knowles In Givenchy by Riccardo Tisci.
Photo: TIMOTHY A. CLARY/2013 AFP
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Anne Hathaway Dress by Valentino.
Photo: Larry Busacca/2013 Getty Images
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Tom Brady and Gisele Bundchen Dress by Anthony Vaccarello, jewelry by David Yurman.
Photo: Larry Busacca/2013 Getty Images
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Gwyneth Paltrow Dress by Valentino.
Photo: TIMOTHY A. CLARY/2013 AFP
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Anna Wintour Dress by Chanel.
Photo: Kevin Mazur/2013 Kevin Mazur
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Rooney Mara Dress by Givenchy by Riccardo Tisci.
Photo: Kevin Mazur/2013 Kevin Mazur
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Lauren Santo Domingo Dress by Dolce & Gabbana.
Photo: Dimitrios Kambouris/2013 Getty Images
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Kanye West and Kim Kardashian Dress by Riccardo Tisci for Givenchy.
Photo: TIMOTHY A. CLARY/2013 AFP
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Nicki Minaj Dress by Tommy Hilfiger.
Photo: TIMOTHY A. CLARY/2013 AFP
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Katie Holmes Dress by Calvin Klein Collection.
Photo: TIMOTHY A. CLARY/2013 AFP
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Dakota Fanning Dress by Rodarte.
Photo: TIMOTHY A. CLARY/2013 AFP
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Joan Smalls and Tom Ford Both in Tom Ford.
Photo: Kevin Mazur/2013 Kevin Mazur
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Kirsten Dunst Dress by Louis Vuitton.
Photo: Kevin Mazur/2013 Kevin Mazur
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Madonna and Riccardo Tisci Madonna wears Givenchy by Riccardo Tisci, shoes by Casadei.
Photo: TIMOTHY A. CLARY/2013 AFP
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Mary-Kate Olsen Gown by Chanel couture, vintage Balmain jacket, Louis Vuitton shoes, and jewelry by Sidney Garber.
Photo: Kevin Mazur/2013 Kevin... more
Mary-Kate Olsen Gown by Chanel couture, vintage Balmain jacket, Louis Vuitton shoes, and jewelry by Sidney Garber.
Photo: Kevin Mazur/2013 Kevin Mazur
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Sarah Jessica Parker Dress by Giles Deacon, hat by Philip Treacy.
Photo: Dimitrios Kambouris/2013 Getty Images
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Lena Dunham and Erdem Moralioglu Dress by Erdem.
Photo: Dimitrios Kambouris/2013 Getty Images
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Giovanna Battaglia Dress by Dolce & Gabbana.
Photo: Larry Busacca/2013 Getty Images
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Miley Cyrus Dress by Marc Jacobs.
Photo: Kevin Mazur/2013 Kevin Mazur
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Donatella Versace Dress by Versace.
Photo: Kevin Mazur/2013 Kevin Mazur
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Psy Photo: TIMOTHY A. CLARY/2013 AFP
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Ashley Olsen Dress by Dior couture, shoes by Manolo Blahnik, jewelry by Sidney Garber.
Photo: Larry Busacca/2013 Getty Images
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Linda Evangelista Dress by Marchesa, jewelry by Harry Winston.
Photo: Dimitrios Kambouris/2013 Getty Images
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Maggie Gyllenhaal Dress by Calvin Klein Collection, jewelry by Bulgari.
Photo: Kevin Mazur/2013 Kevin Mazur
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Virginie and Claire Courtin-Clarins Photo: Julian Mackler/BFAnyc.com/BFA NYC
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Claire Danes Photo: Larry Busacca/2013 Getty Images
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Jerry Seinfeld and Jessica Seinfeld Dress by J. Mendel.
Photo: Stephen Lovekin/2013 FilmMagic
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Zachary Quinto In Vivienne Westwood.
Photo: Dimitrios Kambouris/2013 Getty Images
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Alexander Wang and Julianne Moore Moore wears Balenciaga by Alexander Wang.
Photo: Kevin Mazur/2013 Kevin Mazur
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John Demsey Photo: Rob Kim/2013 Getty Images
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John Krasinski and Emily Blunt Dress by Carolina Herrera, clutch by Jimmy Choo.
Photo: Stephen Lovekin/2013 FilmMagic
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Leelee Sobieski Dress by Dior Couture.
Photo: Stephen Lovekin/2013 FilmMagic
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Jennifer Lawrence Dress by Dior.
Photo: Stephen Lovekin/2013 FilmMagic
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Jennifer Lopez Dress by Michael Kors.
Photo: Kevin Mazur/2013 Kevin Mazur
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Plum Sykes Jewelry by Bulgari.
Photo: Rob Kim/2013 Getty Images
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Kristen Stewart Jumpsuit by Stella McCartney.
Photo: Kevin Mazur/2013 Kevin Mazur
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Rita Ora Dress by Thakoon, shoes by Nicholas Kirkwood.
Photo: Stephen Lovekin/2013 FilmMagic
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Eve Photo: Kevin Mazur/2013 Kevin Mazur
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Andrew Bevan Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Jessica Pare Dress by Jason Wu, jewelry by Delfina Delettrez.
Photo: Dimitrios Kambouris/2013 Getty Images
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Emma Watson Dress by Prabal Gurung.
Photo: Stephen Lovekin/2013 FilmMagic
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Kathryn Neale Shaffer Dress by Carven.
Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Miguel Photo: Stephen Lovekin/2013 FilmMagic
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Cameron Diaz Dress by Stella McCartney.
Photo: Stephen Lovekin/2013 FilmMagic
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Elizabeth Banks Dress by Atelier Versace.
Photo: Kevin Mazur/2013 Kevin Mazur
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Carine Roitfeld In Givenchy by Riccardo Tisci.
Photo: Rob Kim/2013 Getty Images
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Mindy Kaling and B.J. Novak Dress by Lela Rose.
Photo: Dimitrios Kambouris/2013 Getty Images
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Gwen Stefani Dress by Maison Martin Margiela.
Photo: Dimitrios Kambouris/2013 Getty Images
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Rosie Huntington-Whiteley Dress by Gucci.
Photo: Stephen Lovekin/2013 FilmMagic
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Nikolaj Coster Waldau Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Jamie Campbell Bower and Lily Collins Both wear Moschino, jewelry by Harry Winston.
Photo: Kevin Mazur/2013 Kevin Mazur
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Dree Hemingway Dress by Stella McCartney.
Photo: Dimitrios Kambouris/2013 Getty Images
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Ashley Greene Dress by Marchesa, jewelry by Harry Winston.
Photo: Dimitrios Kambouris/2013 Getty Images
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Jessica Biel Dress by Giambattista Valli.
Photo: Kevin Mazur/2013 Kevin Mazur
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Kerry Washington Dress by Vera Wang.
Photo: Dimitrios Kambouris/2013 Getty Images
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Sienna Miller Dress by Burberry, earrings by Genevieve Jones.
Photo: Kevin Mazur/2013 Kevin Mazur
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Marky Ramone Tuxedo by Tommy Hilfiger.
Photo: Kevin Mazur/2013 Kevin Mazur
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Zandra Rhodes Photo: Dimitrios Kambouris/2013 Getty Images
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Naomie Harris Dress by Donna Karan Atelier, clutch by Edie Parker.
Photo: Stephen Lovekin/2013 FilmMagic
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Karolina Kurkova Photo: TIMOTHY A. CLARY/2013 AFP
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Taylor Swift Dress by J. Mendel.
Photo: TIMOTHY A. CLARY/2013 AFP
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Nicole Richie Dress by Topshop.
Photo: Kevin Mazur/2013 Kevin Mazur
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Diane Von Furstenberg Photo: Dimitrios Kambouris/2013 Getty Images
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Christina Ricci Dress by Vivienne Westwood, shoes by Casadei, jewelry by Harry Winston.
Photo: Stephen Lovekin/2013 FilmMagic
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Stacy Keibler Dress by Rachel Roy.
Photo: Kevin Mazur/2013 Kevin Mazur
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Kate Upton Dress by Diane Von Furstenberg.
Photo: TIMOTHY A. CLARY/2013 AFP
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Karlie Kloss Dress by Louis Vuitton, jewelry by Monique Pean.
Photo: Larry Busacca/2013 Getty Images
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Liya Kebede Dress by Alberta Ferretti.
Photo: Stephen Lovekin/2013 FilmMagic
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Chelsea Clinton Dress by Burberry.
Photo: Stephen Lovekin/2013 FilmMagic
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Marion Cotillard Dress by Dior.
Photo: Stephen Lovekin/2013 FilmMagic
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Florence Welch Dress by Givenchy by Riccardo Tisci.
Photo: Kevin Mazur/2013 Kevin Mazur
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Miranda Kerr Dress by Michael Kors.
Photo: Kevin Mazur/2013 Kevin Mazur
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Michelle Williams Dress by Saint Laurent.
Photo: Dimitrios Kambouris/2013 Getty Images
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Olivia Wilde Dress by Calvin Klein Collection.
Photo: Dimitrios Kambouris/2013 Getty Images
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Alicia Keys Dress by Jason Wu.
Photo: Stephen Lovekin/2013 FilmMagic
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Tory Burch Photo: Kevin Mazur/2013 Kevin Mazur
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Lala Anthony Photo: Dimitrios Kambouris/2013 Getty Images
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Uma Thurman Dress by Zac Posen.
Photo: TIMOTHY A. CLARY/2013 AFP
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Hilary Rhoda Dress by Wes Gordon.
Photo: Kevin Mazur/2013 Kevin Mazur
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Jessica Alba Dress by Tory Burch.
Photo: TIMOTHY A. CLARY/2013 AFP
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Kate Beckinsale Dress by Alberta Ferretti, clutch by Edie Parker.
Photo: TIMOTHY A. CLARY/2013 AFP
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Tim Minchin Photo: Stephen Lovekin/2013 FilmMagic
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Coco Rocha Dress by Emanuel Ungaro.
Photo: TIMOTHY A. CLARY/2013 AFP
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Brian Atwood Photo: Rob Kim/2013 Getty Images
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Christoph Waltz Photo: Stephen Lovekin/2013 FilmMagic
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Nora Zehetner Dress by Marchesa, shoes by Edmundo Castillo, jewelry by Harry Winston.
Photo: Dimitrios Kambouris/2013 Getty Images
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Stella McCartney Dress by Stella McCartney.
Photo: Stephen Lovekin/2013 FilmMagic
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Debbie Harry Dress by Tommy Hilfiger, clutch by Jimmy Choo.
Photo: Kevin Mazur/2013 Kevin Mazur
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Emilia Clarke Dress by Ralph Lauren, jewelry by Fred Leighton.
Photo: Stephen Lovekin/2013 FilmMagic
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Tyson Beckford Photo: Dimitrios Kambouris/2013 Getty Images
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Jessica Hart Photo: Larry Busacca/2013 Getty Images
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Allison Williams Dress by Altuzarra.
Photo: Dimitrios Kambouris/2013 Getty Images
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Renee Zellweger Dress by Prada.
Photo: Stephen Lovekin/2013 FilmMagic
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Tommy Hilfiger and Dee Hilfiger Both in Tommy Hilfiger.
Photo: Kevin Mazur/2013 Kevin Mazur
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Alexander Skarsgard Photo: Dimitrios Kambouris/2013 Getty Images
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Lily Aldridge and Caleb Followill Dress by Tommy Hilfiger, clutch by Jimmy Choo. Followill's suit by Tommy Hilfiger.
Photo: Dimitrios Kambouris... more
Lily Aldridge and Caleb Followill Dress by Tommy Hilfiger, clutch by Jimmy Choo. Followill's suit by Tommy Hilfiger.
Photo: Dimitrios Kambouris/2013 Getty Images
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Carey Mulligan Dress by Balenciaga.
Photo: Larry Busacca/2013 Getty Images
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Elizabeth Chambers and Armie Hammer Photo: Stephen Lovekin/2013 FilmMagic
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Ziyi Zhang Dress by Jason Wu, clutch by Jimmy Choo.
Photo: Dimitrios Kambouris/2013 Getty Images
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Greta Gerwig Dress by Saint Laurent, jewelry by Fred Leighton.
Photo: Dimitrios Kambouris/2013 Getty Images
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Hilaria Thomas and Alec Baldwin Photo: Larry Busacca/2013 Getty Images
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Alexa Chung Dress by Erdem.
Photo: Stephen Lovekin/2013 FilmMagic
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January Jones Dress by Chanel, shoes by Nicholas Kirkwood.
Photo: Dimitrios Kambouris/2013 Getty Images
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Anja Rubik Dress by Anthony Vaccarello.
Photo: Dimitrios Kambouris/2013 Getty Images
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Bee Shaffer Photo: Dimitrios Kambouris/2013 Getty Images
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Kylie Minogue Dress by Moschino.
Photo: Kevin Mazur/2013 Kevin Mazur
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Ginnifer Goodwin Earrings by Genevieve Jones.
Photo: Stephen Lovekin/2013 FilmMagic
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Lindsey Vonn and Tiger Woods Vonn wears shoes by Jimmy Choo.
Photo: TIMOTHY A. CLARY/2013 AFP
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Emma Roberts Dress by Diane Von Furstenberg, jewelry by Bulgari.
Photo: Stephen Lovekin/2013 FilmMagic
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Elle Fanning Dress by Rodarte.
Photo: Larry Busacca/2013 Getty Images
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Blake Lively Dress by Gucci.
Photo: Dimitrios Kambouris/2013 Getty Images
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Katy Perry Dress by Dolce & Gabbana, jewelry by David Yurman.
Photo: Dimitrios Kambouris/2013 Getty Images
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Dylan Lauren Dress by Ralph Lauren.
Photo: Kevin Mazur/2013 Kevin Mazur
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Minka Kelly Photo: Kevin Mazur/2013 Kevin Mazur
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Lauren Bush Lauren Photo: Dimitrios Kambouris/2013 Getty Images
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Julie Macklowe Dress by Zang Toi.
Photo: Dimitrios Kambouris/2013 Getty Images
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Heidi Klum Dress by Marchesa, shoes by Jimmy Choo, jewelry by Harry Winston.
Photo: Kevin Mazur/2013 Kevin Mazur
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Hailee Steinfeld Dress by Donna Karan Atelier, shoes by Jimmy Choo.
Photo: Dimitrios Kambouris/2013 Getty Images
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Selby Drummond Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Emmy Rossum Dress by Donna Karan Atelier.
Photo: Dimitrios Kambouris/2013 Getty Images
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Aubrey Plaza Dress by Marios Schwab.
Photo: Stephen Lovekin/2013 FilmMagic
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Amanda Seyfried Dress by Givenchy.
Photo: Kevin Mazur/2013 Kevin Mazur
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Kate Mara Dress by Delpozo.
Photo: Dimitrios Kambouris/2013 Getty Images
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Solange Knowles Dress by Kenzo, clutch by Edie Parker.
Photo: Dimitrios Kambouris/2013 Getty Images
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Andy Cohen Photo: Stephen Lovekin/2013 FilmMagic
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Carolyn Murphy Photo: Dimitrios Kambouris/2013 Getty Images
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Fran Lebowitz Photo: Dimitrios Kambouris/2013 Getty Images
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Jaime King Photo: Dimitrios Kambouris/2013 Getty Images
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Michelle Dockery Dress by Burberry, shoes by Gianvito Rossi, clutch by Edie Parker.
Photo: Rob Kim/2013 Getty Images
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Nina Dobrev Dress by Monique Lhuillier.
Photo: Dimitrios Kambouris/2013 Getty Images
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Chloe Sevigny Dress by Proenza Schouler, jewelry by Repossi.
Photo: Dimitrios Kambouris/2013 Getty Images
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Amber Heard Dress by Emilio Pucci.
Photo: Dimitrios Kambouris/2013 Getty Images
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Bella Heathcote Shoes by Jimmy Choo.
Photo: Larry Busacca/2013 Getty Images
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Julianne Hough Photo: Kevin Mazur/2013 Kevin Mazur
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Sam Gainsbury Photo: Rob Kim/2013 Getty Images
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Matthew Mosshart and Kelly Osbourne Dress by Marc Jacobs.
Photo: Stephen Lovekin/2013 FilmMagic
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Gerard Butler In Dolce & Gabbana.
Photo: Dimitrios Kambouris/2013 Getty Images
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Doutzen Kroes Dress by Theyskens Theory.
Photo: Dimitrios Kambouris/2013 Getty Images
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Sebastian Stan Accessories by David Yurman.
Photo: Julian Mackler/BFAnyc.com/BFA NYC
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Felicity Jones Dress by Proenza Schouler.
Photo: Dimitrios Kambouris/2013 Getty Images
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Sofia Coppola and Marc Jacobs Photo: Dimitrios Kambouris/2013 Getty Images
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Victor Cruz and Elaina Watley Dress by Naeem Khan.
Photo: Dimitrios Kambouris/2013 Getty Images
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Cara Crowley Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Amar'e Stoudemire and Alexis Welch Dress by Giambattista Valli.
Photo: Stephen Lovekin/2013 FilmMagic
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Anne Vincent Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Constance Jablonski Dress by Wes Gordon.
Photo: Kevin Mazur/2013 Kevin Mazur
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Sandra Lee Photo: Dimitrios Kambouris/2013 Getty Images
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Megan Salt and Nancy Chilton Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Ivanka Trump Jewelry by Ivanka Trump, clutch by Nancy Gonzalez.
Photo: Kevin Mazur/2013 Kevin Mazur
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Hayley Bloomingdale Photo: Joe Schildhorn /BFAnyc.com/BFA NYC
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Giuliana Rancic Photo: Kevin Mazur/2013 Kevin Mazur
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Jennifer Morrison Clutch by Edie Parker.
Photo: Dimitrios Kambouris/2013 Getty Images
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Joely Richardson, Daisy Bevan, and Vanessa Redgrave Photo: TIMOTHY A. CLARY/2013 AFP
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Zooey Deschanel Dress by Tommy Hilfiger. Photo: Larry Busacca/2013 Getty Images