7 Unforgettable Keenan Cahill Celebrity Moments [VIDEOS]

He went from the weird kid lip-synching all of the songs we love, to the most popular guy on Youtube, Keenan Cahill.

If you catch the attention of stars like 50 Cent, Jennifer Aniston and more I think that means you've made it.  Right?  That and MILLIONS of hits per video on Youtube.  I hope he's making some money!

Check out the top 7 Keenan celebrity moments after the jump.

David Guetta:

Jennifer Aniston:

the New York Knicks:

50 Cent:

Britney Spears:

LMFAO:

And the Serenading Unicorn:

Which Keenan Cahill video is your favorite?