Few carpets are as bright and colorful as the Teen Choice Awards' - and last year's stars didn't disappoint! Nina Dobrev stepped out in J. Mendel's fashion-forward design, Sandra Bullock was as lovely as ever in her abstract print, and Selena Gomez heated things up in a deep green Cushnie et Ochs number. Inside, there was more Teen Choice fun from the likes of Kerry Washington, Miley Cyrus, Hailee Steinfeld, and Lily Collins - see all the looks to hit the carpet, and find out why we're so amped up to get the party started tonight with stars like Kim Kardashian, Taylor Swift, Kendall Jenner, and Chloë Moretz.