Uma Thurman has called off her engagement

Actress Uma Thurman has called off her engagement to fiance-multimillionaire Arpad Busson and they split almost two months ago.

"The engagement ended awhile back – almost two months ago," says a source via People. "They remain friends."

The couple began dating in 2007 announced their engagement last June 2008, Uma received an eight-carat diamond ring.

[Photo courtesy by Dave Hogan/Getty Images ]