Uma Thurman is single again. The 'Kill Bill' star and multimillionaire hotelier Arpad Busson have reportedly ended their year-long engagement following a row over money. A source said: "The engagement ended awhile back - almost two months ago. They remain friends." According to New York Post columnist Cindy Adams, the couple had a small argument which led to the American actress suggesting the engagement should be broken off, without really meaning it. Uma then walked out "in a huff" but the spat caused the businessman to rethink their future together and he called time on their relationship.

The couple started dating in the summer of 2007 and became engaged a year later, with Arpad presenting the actress with an eight-carat diamond engagement ring - which she is returning to him. A source said: "She will probably give it back. She wants to return everything that is his." Uma - who has 11-year-old daughter Maya and seven-year-old son Levon with ex-husband Ethan Hawke and was also previously married to actor Gary Oldman - recently admitted she wasn't ready to marry again. She said: "I'm happily engaged but we haven't set a wedding up. I'm not in a rush to do anything. One day we'll do it, when we're ready. We can't live anywhere else because my children's father lives here. We'll figure it out."

Single! And ready to mingle... again!