Justin Bieber Pictures at 2012 Teen Choice Awards

Justin Bieber rocked white jeans on the carpet at this today's Teen Choice Awards in LA. He's on hand as a nominee in multiple categories. He's in the running for choice male artist, choice Summer music star, choice fashion icon, choice male hottie, and choice twit, for his Twitter use. Two of his songs, "Boyfriend" and "Die in Your Arms," are up for respective choice single by a male artist and choice love song honours. Win or lose, it's a special day for Justin, who just returned to the States after a whirlwind promo trip to Australia and New Zealand. It's his girlfriend Selena Gomez's 20th birthday, and they're getting to spend the day with pals like Carly Rae Jepsen. Justin's also due to take the stage as one of the show's performers.