Justin Bieber & Usher for Grammys

Justin Bieber's teaming up with his best mate Usher for a special performance at the Grammys.

The mentor and protege will appear at the awards in LA with Jaden Smith (Will's son) joining them on stage.

The Grammys promise to be a star studded event with Katy Perry, Eminem, Britney Spears, Lady Gaga, Bruno Mars and Arcade Fire already scheduled to perform.

Eminem has got 10 nominations for the event which takes places two days before the BRITs