Celebs aren't exactly shy when it comes to talking about diet and fitness, whether it's raving over a full-proof ab routine or ranting about a failed juicing attempt. Jessica Alba's spilled the dieting secrets that keeps her body toned and tough, and Jennifer Lopez doesn't hold back when she explains how she eats the foods she loves without packing on the pounds (Spoiler alert: Portion control!).
Then there are those models who claim to eat McDonald's on the eve of the Victoria's Secret fashion show (yeah, right), and starlets who've tried—and failed—to complete the notorious lemon-cayenne cleanse.
And that's not even the half of it—check out the gallery below for 43 stars' best diet tips!