MILEY CYRUS, USHER AND BOYZ II MEN TO APPEAR IN BIEBER's 3-D FLICK


Miley Cyrus, Usher, Ludacris and Boyz II Men will be a part of Justin Bieber's upcoming 3-D feature film, as they were among the many guest stars at the 16-year-old pop star's concert Tuesday night (August 31st) at New York's Madison Square Garden. Also joining Bieber onstage was Jaden Smith, as well as Sean Kingston for their collaboration, "Eenie Meenie." According to MTV.com, Cyrus teamed up with Bieber for the song "Overboard," and Smith came out during "Never Say Never." He closed out the show with his hit "Baby" and was joined by Ludacris and lots of fireworks.

When he first hit the stage, Bieber told the crowd, "What's up, New York City? Welcome to my world. We are gonna have a lot of fun tonight. I got a lot of surprises in store for you guys!"

Bieber, who was sick over the weekend, performed at MSG despite doctor's orders to rest.

His 3-D film will hit theaters in February 2011. In addition to performances from the concert, the movie will feature behind-the-scenes footage.