The Insider.com

Keenan Cahill, the 17-year-old YouTube phenomenon with 409 million views and counting, has already conquered the world of lip-synching and now he's singing for real on his debut single, Hands Up featuring Welsh electropop duo Electrovamp.

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He really is a celebrity favorite who has created lip-dub YouTube videos with everyone from 50 Cent to Julianne Hough. I watched Keenan backstage at the American Music Awards last weekend, and I saw first hand how much the stars love him. Usher almost ran across the room to high five Keenan!

We sent a crew to visit Keenan on set while filming his new video for Hands Up. Check out this video to see what he is up to.