Demi Lovato and Glee's Kevin McHale are hosting one of young Hollywood's hottest nights—the Teen Choice Awards! "Demi and I have been friends for years," McHale said in a statement. "It's exciting to finally be working together professionally." It's going to be a big night for both hosts, with Glee up for Choice Comedy, and Lovato up for Choice Twit (aka best Twitter account!) Tune in to Fox on Sunday, July 22nd at 8/7c to see who takes home a surfboard, and click through the gallery for a look back at the hottest styles from last year's ceremony!