Keenan Cahill is an American Internet celebrity from Chicago, Illinois who lip-syncs to popular songs on YouTube.

Keenan launched his first famous lipsynced YouTube video on August 28, 2010 on the Katy Perry song Teenage Dream. Justin Bieber guest starred on his channel in Chicago during his Believe Tour. He also danced on the American Music Awards during Party Rock Anthem/Sexy And I Know It with Justin Bieber.

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