Oscar winner Jamie Foxx got into a fight with a former manager while his superstar pal Usher was performing live on stage at Avalon club in Hollywood, Breaking Celebrity News can reveal.

A whole list of celebrities at the packed club like Joe Jonas, Ryan Phillipe, Adam Lambert, Jenny McCarthy and Cheryl Burke, looked-on in disbelief as Foxx started brawling with the other man.

The drama unfolded at the Belvedere Vodka pre-Grammy party at the Avalon on Thursday night which was attended by around 1200 people.

A source told Breaking Celebrity News: “Jamie and the other guy started fighting about half way through Usher’s set at around 11.30pm.

“The fight spilled to the outside area and I don’t think