Makeup is a powerful tool, capable of transforming ugly ducklings into beautiful swans, but stars like Adriana Lima and Demi Lovato don't need to pile it on to look beautiful. In fact, they're just as beautiful without it. Click through to see which of your favorite stars are truly natural beauties.
"Aren't you supposed to feel better after a workout?" Jessica Alba captioned this selfie on Instagram. If that's what you look like after an intense cardio session, you should feel amazing, Jessica! Sure she looks ultra-glam on the red carpet, but after seeing her without a lick of makeup, we're truly impressed.