And the winner for Unexpected Video of the Week goes to...
On Thursday night, during the second annual Hilarity for Charity event - a fundraiser organized by Seth Rogen and his wife that benefits The Alzheimer's Association - the actor jumped on stage with The Backstreet Boys.
And got down with his bad self!
Watch in impressed amazement now as Rogen shows off his moves to "Everybody (Backstreet's Back)." Does the group need a sixth singer?!?