1/20
Katy Perry
Sin City got even hotter thanks to music's biggest stars stepping out for the 2012 Billboard Music Awards. Check out the hottest red carpet looks from the Las Vegas award show!
2/20
Justin Bieber
3/20
Taylor Swift
4/20
Carrie Underwood
5/20
Miley Cyrus
6/20
Robin Thicke
7/20
Alicia Keys
8/20
Usher
9/20
Ty Burrell & Julie Bown
10/20
Lisa Marie Presley
11/20
Natasha Bedingfield
12/20
Wiz Khalifa
13/20
Amber Rose
14/20
Chrissy Teigen & John Legend
15/20
Julianne Hough
16/20
The Wanted
17/20
Brandy
18/20
Nelly Furtado
19/20
