Watch Keira Knightley’s Chanel Fragrance Ad; Katie Holmes Proposes Color-Changing Lipstick

Keira Knightley's Chanel ad; an iPhone app for the fragrance-obsessed Photo: Courtesy of Dior

NAILS

Karlie Kloss models a bright orange manicure and bold lipstick in the new spring 2011 Dior campaign. [Fashiongonerogue]

• BYOB of nail polish, and six other suggestions for making your manicure last longer. [Bazaar Report]

MAKEUP

• Shiseido has donated 100 million yen to earthquake/tsunami relief efforts in Japan. The cosmetics brand will also be shipping bottles of hand soap, shampoo, and disinfectant lotion. [Bellasugar]

• Katie Holmes likes the idea of a lipstick that would change color according to the wearer's mood. [WWD]

• Encyclopedic fragrance website OzMoz has launched an iPhone app, including a fragrance database and newsfeed. [Fashionista]