When you’re Lady GaGa your life is never going to be short of a little controversy. Now the tea-cup carrying mental ones ex-assistant has decided to spill the beans on her time with the star. And she sure doesn’t hold back. Angela Callahan - who says she quit after a telling off from GaGa for bringing her the wrong pair of tights - alleges that a lonely GaGa would make her sleep with her and that they even showered together to save time in the morning. She says in her tell-all book Poker Face: The Rise and Rise of Lady GaGa that the queen of pop was a tough boss and even sacked up to 150 people in just 10 months. GaGa is yet to comment on these revelations, she’s probably too busy polishing her Disco Stick.