Celebrities are under pressure to be super-thin for movie roles, appearances and more. They try some pretty crazy weight-loss gimmicks to lose weight, while all seem either unhealthy, unnatural or downright uncomfortable. AOL Body has put together this list of the wackiest diet ideas:

• Martha's Vineyard Diet
• Cabbage Soup Diet
• The Lemonade Diet
  
• Blood Type Diet
  
• Facial Analysis Diet: Your diet is determined by an analysis of your skin
• Grapefruit Diet: This involves eating half a grapefruit before every meal
  
• Fat Flush Diet: This mostly-water diet should be called the water-flush diet -- that's all it does
• Coconut Diet: Based on the belief that coconut boost metabolism, you eat a lot of coconut on this plan.
  
• Cardio-free diet
• Any diet using diet pills

Come on, fess up -- have you tried any of these? Most of us have