Kaley Cuoco
Although Kaley Cuoco is quite the stunner, she hasn't always felt confident in a bare face. "I had acne as a teen, and it made me so insecure to be on camera," she said. "Not a great thing when you're on a TV show." The Big Bang Theory actress clearly moved past her insecurities and made it work!
Kate Upton
As one of Sports Illustrated's most infamous swimsuit models, Kate Upton is used to showing off her curvaceous physique. However, that kind of body is achieved with lots of hard work. She spends most of her time at the gym with her trainer, often posting makeup-free selfies from her workout sessions.
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