By Kate Ward
March 07, 2011 at 05:59 PM EST

Less than two months after Sophie Monk, 31, announced she would wed 50-year-old businessman Jimmy Esebag, the model told Chelsea Handler that the two have called off their engagement. During an episode of Chelsea Lately taped Sunday, Monk told the talk show host, “I’m newly single.” The news became public after audience members began tweeting Monk’s comments. This was the second time Monk was engaged: Ex-fiancé Benji Madden proposed to Monk in 2006 before they parted ways.

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Sophie Monk to marry 50-year-old businessman