Bieber has now proved he is able to laugh at himself by filming a comedy version for Friday's (24Jun11) Late Night with Jimmy Fallon.

The black and white footage shows the singer whispering to the camera, "Someday we'll be together. Someday I'll be next to you... Someday I'll be older and fatter."

Fallon then appears wearing an identical outfit to the star, and a version of Bieber's famous haircut, adding, "Someday you'll look like this."