Exclusive: Inside Rihanna's Secret Celebration

Rihanna had a secret celebration at Giorgio's restaurant in Los Angeles, RadarOnline.com has exclusively learned.

The singer, battling back from her alleged beating by Chris Brown, partied with girlfriends and a couple of people from her record label. The night was filled with toasts, including one to her breakup with Chris! A source close to the singer told RadarOnline.com that the party also celebrated the recent news her hit single Disturbia has gone triple platinum. The party took place Sunday, March 29.

"People close to Rihanna have drilled it into her head that is she stays with Chris her career will be over," said the source. "At the dinner party there were about 10 toasts made, including one to the fact she's about to land the cover of a major fashion magazine."

Rihanna is also close to landing a movie role, giving her another reason to celebrate. "People told fun stories about Ri at the party," the source told RadarOnline.com

Some people close to Rihanna still doubt that she is finished with Brown, who is facing criminal charges. These sources tell

RadarOnline.com that something "big" is in the works and going to be announced shortly.

Keep checking right her for details!