The 2014 iHeartRadio Music Awards aired last night and there were so many amazing moments. Not only did Ariana Grande blow us away with her killer performance of "Problem", but Selena Gomez showed up looking healthy and happy and Austin Mahone was incredibly grateful after winning the Instagram Award.

While tons of memorable moments happened in front of the camera, there were just as many going on behind the scenes, as well. Click through to see 10 moments you didn't see during the show, then let us know which pics are your favorite in the comments below.

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