TOXIC BRITNEY SPEARS STEPS OUT

Toxic Britney Spears is putting her recent court battles behind her by stepping out for a charity event hosted by friend comedian Jim Carrey and his girlfriend Jenny McCarthy. The singer saw permanent custody of her two children handed over to ex-husband Kevin Federline last Thursday, following 18 months of court hearings, mental trauma and a breakdown.But she stunned onlookers on Saturday by arriving at the Los Angeles California party in an elegant black evening dress, with perfect hair and make-up for her glamorous night out. And the singer appeared to be in good spirits. A source tells People.com, "She looked great and seemed really happy. She smiled and clapped during the video about autism."Other stars to attend the charity fundraiser, in aid of Carrey and McCarthy's Generation Rescue, a foundation for autistic children, included Rose McGowan and newlyweds Charlie Sheen and Brooke Mueller.