The 2013 Billboard Music Awards red carpet was red hot, with Selena Gomez leading the pack. The singer was one of the first to arrive — and she did so in an eye-catching neon-infused Atelier Versace gown from the label's Spring '13 collection. Also in the mix? Jennifer Lopez, Taylor Swift, Chloë Moretz, Hayden Panettiere, and a very sexy Jennifer Morrison. Of course, that's just the tip of the iceberg. Click through to see who wore what at the Billboard Music Awards.
— Additional reporting by Melody Nazarian