2011 Billboard Music Awards

Credit: Jordan Strauss/WireImage; Jordan Strauss/WireImage; Isaac Brekken/Getty

Sunday night, the stars came out for the 2011 Billboard Music Awards!

Selena Gomez showed some skin in her Dolce & Gabbana black gown, and Taylor Swift dazzled in her Elie Saab dress. 

Britney Spears, who opened the show with Rihanna, was all smiles alongside boyfriend Jason Trawick. 

Nicki Minaj, Joe Jonas, Fergie, Ke$ha and many more dazzled in Las Vegas.