Rod Stewart posted a message for Gregg Wallace on Instagram on Nov. 28 calling him a "bully" for alleged mistreatment of his wife Penny Lancaster on the U.K. 'MasterChef.' This came hours after news broke that Wallace would be stepping back from the show amid an investigation into sexual misconduct allegations.

Sir Rod Stewart has hit out at “bully” Gregg Wallace for allegedly “humiliating” his wife when she was on MasterChef. The musician’s claims arrive after it was announced Wallace had stepped down from the BBC cookery competition following allegations of inappropriate sexual comments over several years.

With accusations surfacing surrounding Greg Wallace, Rod Stewart slammed the host for being a bully towards his wife.