We know he can place his hands on his cheeks and scream.
But can Macaulay Culkin sing?
We sort of have the answer to that question after an unexpected duet this week, as the actor joined friend Adam Green on stage during a concert in Great Britain.
Watch them team up for a cover of The Beach Boys' "Kokomo" now:
Culkin should probably stick to the big screen.
But this is a guy who kinda recently broke up with Mila Kunis, so don't be too harsh on him, people. He needs all the positive reinforcement he can get.