Britney Spears Surprise Appearance At Jenny McCarthy’s Charity

Britney Spears made a surprise appearance at a fundraiser for Jenny McCarthy’s autism charity Generation Rescue Saturday in Los Angeles.As guests like Jim Carrey and Charlie Sheen and wife Brooke Mueller made the rounds, Spears, 26, sipped on red wine. Carrey’s daughter Jane also belted out a few Frank Sinatra and Jackson 5 tunes.Spears, 26, “definitely looked happy,” said a witness, “She was clapping and smiling a lot.”It was Spears’ first public outing since reaching a custody agreement with ex Kevin Federline last week.