The stars came out for this evening's Teen Choice Awards in Los Angeles, with scheduled performers Justin Bieber, Carly Rae Jepsen and Gwen Stefani (there to hit the stage with No Doubt) mixing it up with thesps from teen-favorite TV series and movies like "The Vampire Diaries" and "Twilight: Breaking Dawn - Part 2." Check out the star-studded red-carpet gallery below to see all your favorites as they arrive for the big show!