<p><br /> Kelly Osbourne has vowed to leave Twitter after using the site to launch a tirade against ex-fiance, Luke Worrall.<br /> </p><p><br /> She claimed that Worrall had cheated on her multiple times with both men and women and warned everyone away from her ex whom she split with earlier this year.<br /> </p><p><br /> Tweeting on Boxing Day she said:<br /> </p><p><br /> '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?'<br /> </p><p><br /> She then went on to admit she would be leaving the social networking site over the public airing of emotions:<br /> </p><p><br /> '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.'<br /> </p>
