With all the Halloween candy we hope to ingest in the coming weeks, we figured what better way to counteract all that sugary goodness than by looking into celeb health habits? And boy, do they do some pretty crazy stuff to stay looking and feeling great! Keep clicking to see what Jennifer Lopez, Madonna, Gwen Stefani and more stars swear keeps them youthful and vibrant.
Grapefruit may taste delicious, but just smelling it helps to keep J.Lo satisfied. According to The Black Book of Hollywood Diet Secrets, the singer keeps a vial of grapefruit oil with her at all times, and she sniffs it through the day to suppress her appetite.