Banking on a trendy weight-loss plan to help you shed pounds? Before you give up gluten or get biotyped, check out this list of the top five celebrity-endorsed diets to avoid. Put together by the British Dietetic Association, these regimens are unhealthy and potentially dangerous (and sometimes downright laughable …conquering cravings with air?!).
PLUS: What Women Who've Lost a Lot of Weight Want You To Know
The Breatharian Diet
It's not exactly a surprise that this diet--which involves pretending you don't need food or water and can survive on air and sunlight alone--is the biggest fraud of them all. Earlier this year, Michelle Pfeiffer told an interviewer that she was briefly involved in a cult that followed this plan--and it's similar to Madonna's supposed regimen of gulping air rather than food to feel full. But--shocker--air is not sustenance, and it can't give you the nutrients you need to stay healthy and energized.