Ozzy and Sharon Osbourne‘s daughter Kelly Osbourne has reportedly broken up with her boyfriend/fiance, British male model Luke Worrall, after she discovered that he had been cheating on her. According to US Weekly, the couple fueled rumors of their split Wednesday morning (Jul 14) after the two were spotted exchanging nasty messages back and forth to each other on Facebook. One of the messages Kelly, 25, posted said: “Luke Worrall makes me sick!!!” Shortly after that, blogger Perez Hilton wrote on his blog that 20-year-old Luke Worrall had been unfaithful to Kelly.

The Facebook messages have since been deleted however Kelly later took to her Twitter and said:

“Thank you all so much for your support but the matter is private and will not be commenting enough damage has already be done!”

Later that day, she spoke on the matter one more time, sand said:

“I am not dealing with this very well 🙁 keeping your head up is not fun! going to bed thank god for tomorrow!”

Kelly Osbourne and Luke Worrall began dating in May 2008 after meeting through friends. They announced their engagement in March 2009.

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