A new first lady sails onto the list, joining three top athletes, pop music's reigning queen, and a Rolling Stone. The best-dressed field may be ever shifting, but there's some classic glamour behind the looks of this year's honorees. Here are ten of this year's best-dressed. See the 2013 International Best-Dressed List in full, plus more photos of the stars here, exclusively at VanityFair.com.
Two Decades of Brad Pitt
Jennifer Lawrence vs. Emma Watson: Who's the Most Stylish Actress Under 30?
Celebs Bare All: Lady Gaga, Angelina Jolie, Jennifer Aniston Go Nude
Kate Middleton: Best-Dressed Pregnant Lady?
Royal Babies: Infants in the House of Windsor
International Best-Dressed Hall of Fame