He mentioned it on Twitter before, but now Justin Bieber is really pushing the fact that he's going to appear on Saturday Night Live...maybe.  On Monday, Justin tweeted, "maybe im hosting and performing on SNL...maybe. :)."

Justin has appeared on Saturday Night Live before, both as a musical guest and as a guest star in sketches, as well as in the show's 100th digital short.  But if he hosts and serves as musical guest on the same show, he'll join an exclusive club of stars who've done double duty.  That club includes Justin TimberlakeTaylor SwiftBruno Mars,Britney SpearsMick JaggerGarth Brooks and Janet Jackson.

So far, NBC has not confirmed The Biebs' appearance, much less announced when he'll appear but it's a good bet that it'll be sometime around the January 29 release of his album Believe Acoustic.