Actress Sienna Miller is living the single life again, after splitting with her fiance Lucas Zwirner.Sienna, 38, and Lucas, 29, the son of art dealer David Zwirner, were engaged back in January after a year of dating, but Page Sixreports they have split.The report claims that it was the actress who broke it off with Zwirner, though no reason for the break-up was given.
Split:Actress Sienna Miller is living the single life again, after splitting with her fiance Lucas ZwirnerReps for both Miller and Zwirner's art gallery he runs in New York City did not respond to requests for comment.Miller and Zwirner had reportedly been dating for over a year when Zwirner popped the question back in January.
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