Kelly Osbourne rejects Gaga's birthday cake (see pics)
London: Reality show star Kelly Osbourne did not accept the peace initiative taken by singer Lady Gaga.Gaga clicked a picture with Kelly's mother Sharon Osbourne while on the sets of singing show "The X Factor"
Sharon also did not take too kindly to it and released a open letter to Gaga criticising the anti-bullying advocate and calling her a bully and "nothing more than a publicity seeking hypocrite and attention seeker".
