Bieber performs with his heroes
Justin Bieber delighted fans when he duetted with Miley Cyrus.
The crowd went wild when the Hannah Montana star joined the Baby singer for his hit Overboard at New York's Madison Square Garden, reported E!
The sold-out concert, which was filmed for Justin's upcoming 3D biopic, turned out to be an all-star affair, with Usher, Ludacris, Sean Kingston and Boyz II Men in the audience.
"Tonight was HISTORY!!!!!! MSG in NYC sold out. Me, Usher, Ludacris, Miley Cyrus and last but never least Boyz II Men!!!!! I Had A Great Time," tweeted reggae star Sean after the gig.
Justin - who had cancelled a gig at the weekend due to illness - tweeted before the show: "It's all really coming 2gether. Tonight I perform with my heroes! Let's make some history NYC. More surprises than ever tonight. 2night a dream becomes REAL. MSG it's almost time!"