Teen Choice Preps: This Year's Big Surprises

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Photo: ETONLINE
ET's Brooke Anderson went behind the scenes with Teen Choice Awards co-host Tyler Posey as he prepped for Sunday's show, getting the young actor to tease what surprises are in store for fans this year.
The Teen Wolf star, 22, confirmed that one of Hollywood's power couples will be in attendance on Sunday, but their names will remain a mystery until the show.
"I'm going to be surprised," said Tyler. "I have no idea who they are."
What Tyler does know is that there will be some must-see performances by some amazing artists, including Rixton, Magic!, Demi Lovato, Rita Ora and more.
"That's one of my favorite parts about the Teen Choice Awards -- I get to see all these awesome bands play live that I would never get the chance to see otherwise," said Tyler.
Tyler co-hosts the 2014 Teen Choice Awards alongside 23-year-old Modern Family star Sarah Hyland. Be sure to catch the show airing Sunday, August 10, live on FOX.