Five stressed out celebs
It's been a difficult year in the Cowell camp. No wonder he started losing sleep while trying to choose either Tulisa or Cheryl for the next X Factor judging panel. "What you do is you make a decision, then you get nervous about it, then you wake up in the middle of the night saying: 'I've made a terrible mistake'," he said.
The pop queen relies on yoga to combat stress. "I remember that I couldn't sit still for a second. I was always on the move. I was often pretty aggressive, wild and unpredictable, but all that's changed."
By her own admission, Gwyneth has never been very good at handling stress. Last year she told Vogue she was filled with hate after a feud with a friend.
The star suffers from stress over live performances. She said recently: "Oh my God, I'm crippled by fear. I have awful stage fright. I don't know what possesses me to do it. I think I'm going to die young from having so much stress all the time."