PHOTOS: Keenan Cahill and Jeremih Perform

YouTube star celebrates 16th birthday at Manor with a special guest.

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Scot Milton
Moshpix: So what did you do for your 16th birthday? Chances are, you didn't spend it at one of the hottest nightclubs in town, but then again, you're not Keenan Cahill, the suburban teen who's rocketed to fame thanks to his lip-synching abilities on YouTube. Cahill took the stage at Manor Saturday night surrounded by confetti and sparklers and was presented a birthday cake to the sounds of Katy Perrys "Firework." He performed the club hit "All Here Now" with electronic DJs EC Twins, and then came the big surprise of the night -- surprise guest Jeremih (pictured) came on stage and performed his hits "Down on Me" and "Birthday Wish" with Cahill.
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Jeremih also presented Keenan with a plaque in honor of helping his song go platinum.
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