Justin Bieber Joins The Ranks Of Youngest 'SNL' Performers

On April 10, 15-year-old Canadian singing phenomenon Justin Bieber will take the stage at 30 Rock and serve as the musical guest on "SNL." (By the time he sings on the show, he will have turned 16 — his birthday is March 1). Bieber immediately makes history as one of the youngest performers to ever grace the "Saturday Night Live" stage.

Bieber, discovered via YouTube,  has become a huge Internet sensation scoring four top 40 hits on the Billboard Hot 100 before his album even came out. (MTV)