1/26
AP Photo/Markus Schreiber
Belle of the Ball
In Marchesa
2/26
Jamie McCarthy/Getty Images
Daring
In Prada
3/26
Ian Gavan/Getty Images
Red Hot
In Marchesa
4/26
Jason Merritt/Getty Images
Simply Stunning
In Marchesa
5/26
Pascal Le Segretain/Getty Images
Risky Number
In Donna Karan Atelier
6/26
Jason Merritt/Getty Images
A Lady In White
In Fausto Puglisi
7/26
Jason Merritt/Getty Images
Dare to Bare
In Vera Wang & Alexandre Vauthier
8/26
David Becker/Getty Images for iHeartMedia
Barbie Girl
In Cushnie et Ochs
9/26
Larry Busacca/Getty Images
Cheongsam Number
In Tom Ford
10/26
Karwai Tang/WireImage
She Loves Red
In Veni Vici
11/26
Karwai Tang/WireImage
Dazzling
In Zuhair Murad
12/26
Rachel Murray/Getty Images for GQ
Floral Frenzy
In Dsquared
13/26
White Tux Affair
In Tom Ford
14/26
Jason Merritt/Getty Images
Disco Ball
In Prada
15/26
Ari Perilstein/Getty Images for FIJI Water
Scarlet
In Zac Posen
16/26
Jason Merritt/Getty Images
Hello, Sunshine
In Zac Posen
17/26
Taylor Hill/Getty Images
Edgy Chic
In Calvin Klein
18/26
Jonathan Short/Invision/AP
Shine Bright
In Zuhair Murad
19/26
Baring the Goods
In Donna Karan Atelier
20/26
Mike Marsland/WireImage
Radiant
In Emilio Pucci
21/26
Anthony Harvey/Getty Images
Bright Spot
In Prada
22/26
Jason Merritt/Getty Images
Metallic Green
In Lanvin
23/26
Dimitrios Kambouris/Getty Images for Gabrielle's Angel Foundation
Bling Bling
In Donna Karan Atelier
24/26
Gareth Cattermole/Getty Images
Dramatic
In Marchesa