"Her style has evolved," says her stylist.
Also: Lana Del Rey.
Sequins, crop top, abs: check, check, check.
"Back to Black." Whoa.
"Halo" has never been less inspiring.
Kim Kardashian and Ashton Kutcher are among the other famous names hit.
He once refused to bleach Carolyn Bessette-Kennedy's hair.
Photos of both Beyoncé and Solange Knowles, Lena Dunham, Jennifer Lawrence, and more.
Just like Anne Hathaway probably will this weekend.
Get awesome-looking nails in just a few minutes.