But he's best when singing Kelly Clarkson and Lady Gaga songs on Late Night with Jimmy Fallon.
See the photo? Yeah, it's sorta like that.
The single's been out for quite a while, hasn't it?
The "Glee" cast member and would-be pop star responds to the actor's fightin' words on Jimmy Fallon.
It starts getting weirdest around when "Fireflies" shows up.
White rappers support primary candidate, do miserable job.
LMFAO tracks just don't scream "Oscar bait" to us. Sorry.
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The Beyonce of 2NE1 prepares to spread her wings and slay.
What's your favorite song by the Divine Nine?
The boys get a bonus. How will they use it?
Like a Rolling Stone? Try Like a FOX!
A famous woman expressed her opinion. A famous man threatened to beat her for it. She apologized.
Saying "sh*t" twice was not the weirdest thing that happened.
Smacking famous pop stars has not proved an effective way to get people to like you, Keef!
Cue celebratory chicken dance!
Do you know the secret history of "Heart Attack"?
They were meant for fame, and fame was meant for them...
By going public, Jolie has brought widespread attention to an issue that does have controversial elements.
What does success mean for Beyonce?
They better not be playin' games with our hearts.
This man is dressed like Psy, but he is not Psy.
That Lee Hyori reign just won't let up!