The 16 Diet Secrets of Today’s Hottest Celebrities

3. Jennifer Lopez

Jennifer Lopez can sometimes seem just a bit out there, and her diet type is pretty out there too. She regularly takes whiffs of grapefruit oil in order to lose weight. Some believe that the oil can affect liver enzymes and promote weight loss. There isn’t a great deal of science to back this up, but there’s no denying that Jennifer Lopez is in great shape, so perhaps she’s a pioneer in the diet supplement world.