Those folks in Studio 8H are really outdoing themselves. Last week 'Saturday Night Live' had a "surprise" visit from Facebook founder Mark Zuckerberg, and now there are rumors of a Justin Bieber appearance on this Saturday's show!

Reuters reports that the 16-year-old wunderkind is scheduled to make an impromptu 'SNL' appearance this weekend to promote his new film 'Never Say Never.' The Biebs is no stranger to the legendary sketch comedy show. He was the musical guest in April 2010, performing two songs and appearing in two sketches alongside guest host Tina Fey.

Thursday night, Justin hilariously traded places with 'The Daily Show' host Jon Stewart. In a spoof where the two switched bodies 'Freaky Friday' style, the Biebs took the liberty of tattooing a 'Never Say Never' hash-tag on the political satirist's lower back