Justin Bieber, who's been busy making television appearances to promote his new 3D film, Never Say Never, will make a surprise appearance tonight on Saturday Night Live.

The 16-year-old has already been on the show once as a musical guest as well as performing in two sketches with then-host Tina Fey, but THR reports that he'll surprise audiences by taking the stage tonight.

But will his tween fans be able to stay up late enough to catch him on SNL?

And in case any of them didn't catch him on The Late Show With David Letterman last night, here he is, delivering the "Top Ten Reasons Why It's Fun To Be Me" (and make sure you watch the whole thing, the Biebs has an awesome drum solo sitting in with Paul Schaeffer's band at the end!):