Teen Choice Awards Red Carpet | Pictures

Stars got dressed up to walk the carpet at tonight's Teen Choice Awards in LA. Taylor Swift showed some skin in a backless Maria Lucia Hohan, and Lea Michele looked sexy in a strapless dress. Nina Dobrev, in J. Mendel, and boyfriend Ian Somerhalder posed separately, while Ellen DeGeneres had Portia de Rossi before picking up the night's first surfboard. Justin Bieber celebrated girlfriend Selena Gomez's 20th birthday with her at the star-studded event as well.

Many of your other favorite celebrities stepped out for the night's festivities — click through the rest of the red-carpet snaps!