We also played a lightning round of summer-inspired "Would You Rather?" So, would you rather surf or swim? Slip 'n slide or sprinkler? Water gun fight or water balloon fight? Watch the video above to find out how these young celebs want to spend their last few weeks of summer.
Plus, we asked stars to show us their best selfie faces. Check out their sizzling snaps below and all the winning celebs who took home Teen Choice surfboards here.
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Gallery | Teen Choice Awards: Blue Carpet Selfies