Luke Worrall Slammed on Twitter By Ex-Fiancee Kelly Osbourne

NEW YORK (CBS) Kelly Osbourne had a lot to say about ex-fiance Luke Worrall - and she let it out on her Twitter account.

The actress-singer unleashed a series of messages accusing her ex of using her and seeing other women behind her back.

PICTURES: Celebrity Splits
PICTURES: The Osbournes

"Just found something out that has hurt my feelings so bad :( and christmas was going so well..." the 26-year-old tweeted on Saturday. She sent another message the next day, asking, "What do you do when someone lies in the darkest way and you try to tell the person that was lied 2 but they don't believe you?"

"I think the best part of this situation is that I have been painted out 2 be the crazy 1 when all I did was tell the honest to gods truth," she said in another message. "Thank god for family that's all I have to say."

The posts got less cryptic as she went on. In messages posted Monday, Osbourne called her ex "the biggest piece of s---" and said that he was "trying to get back w/ me" while sleeping with "100's of girls."

"All he did was use me," she wrote, "all girls beware!"

"He used me for my money and a free ride he is lucky I am not spilling the hole truth about what he did!" she tweeted Monday. "He is the worst thing that ever happened to me ... darling ur pretty face will only get you so far because u don't have the brains to back it up."

Those messages no longer appear on her Twitter feed, but appear in other published reports.

Osbourne called off her engagement to the British model, 21, in July amid rumors he cheated on her. They first became engaged in November 2008.

Worrell responded to the accusations on his own Twitter account Tuesday, writing, "lies on twitter awesome."

Later Tuesday, Osbourne signed off with another message, saying she would be laying low on Twitter for a while.

"Dont think I have ever felt so stupid he made a fool of me going to be off Twitter for a while never felt heart brake like this in my life," she wrote.