Kaley Cuoco
This Big Bang Theory star is not afraid to go makeup-free. She's been very public about her own issues with self-image, especially regarding her consistent problems with adult acne. "I had acne as a teen, and it made me so insecure to be on camera," said the actress in a Proactiv commercial "Not a great thing when you're on a TV show." Now though, she's cool on camera.
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