Julia Louis-Dreyfus recently revealed her killer abs on the cover of Shape magazine, but the actress admits she has "to work at not being fat. I'm always trying different things to see what sticks," she tells the magazine. Finding a balance between discipline (running or doing the elliptical machine) and indulgences (like chocolate) keeps her slim. One treat you won't find in her refrigerator? Bacon. "I don't keep [it] in my house – that would be way too tempting," says Louis-Dreyfus. Get ideas on how to eat well without depriving yourself on Health.com.