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'Glee' Cast Members Help Keenan Cahill With Katy Perry Lip-Sync

Youtube lip-sync sensation and recent G-Unit acquisition Keenan Cahill has done it again! This time with the help of 'Glee' cast members Dianna Agron, Darren Criss, Harry Shum Jr. and Jenna Ushkowitz in a new performance of Katy Perry's 'Last Friday Night (T.G.I.F.).'

According to Irish Central, the video below was shot backstage during the 'Glee Live' arena tour and features your favorite Gleeks in hilarious poses alongside the teenage viral star.

Cahill, who has Maroteaux-Lamy syndrome, has been one of the internet's most popular memes this year through his lip-sync videos featuring everyone from 50 Cent and David Guetta to Britney Spears.

And as Irish Central points out, the cast of 'Glee' is in for a total change up soon. Could this mean that Keenan has a chance to jump into the show? Check out his latest video below.

http://www.aoltv.com/2011/07/09/glee-keenan-cahill-katy-perry-lip-sync/
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