MTV.com News — 'It's Bieber fever in 2010,' gossip blogger Hilton says of teen sensation.By Jocelyn Vena, with reporting by Christina Garibaldi and Brendan Kennedy Justin Bieber Photo: Getty Images In 2009, Justin Bieber vowed to leave the world with one... more info

VH1 News — Justin Bieber was this week's musical guest on "Saturday Night Live," but the teen sensation practically acted as a co-host for Tina Fey by energetically participating in several of the show's skits. more info

MTV.com News — 'He was one of the babies in 'Baby Mama,' Fey jokes about teen sensation.By Shaheem Reid, with additional reporting by Sway Calloway Justin Bieber performs on "Saturday Night Live" Photo: MTV News Shorty's kinda crazy, but it turns him on. ... more info