By Mia O’Hare Amanda Holden has posted a cheeky message to fans following her clash with Sharon Osbourne. The Britain’s Got Talent judge, 53, became locked in a feud with the former X Factor icon, 71, over the weekend. She publicly shared her support of co-star and boss Simon Cowell, who was slammed by Sharon and Louis Walsh during their stint on Celebrity Big Brother. Amanda branded Sharon “bitter and pathetic”, during a recent interview. Sharon had claimed that she fell out with the music mogul after she a stint on X Factor fell through after she had turned down the opportunity to star in Ma…