Looking Good!Mayim Bialik Shares a Makeup-Free Selfie on Instagram — See the Pic!

Mayim Bialik dared to go bare!

The Big Bang Theory star took to Instagram on Monday, April 4 to share a makeup-free selfie — and we think she looks more beautiful than ever in the pic!

In the snapshot, the 40-year-old's face is totally au naturale and she proudly showed off her wacky morning bedhead, too!

RELATED: Mayim Bialik Shares Amazing Throwback Photo of Herself and Jennifer Aniston — See the Pic!

The mom-of-two shared the fun snapshot as a response to Star Trek: The Next Generation actor Wil Wheaton's recent bedhead photo on the social media platform.

Click through the gallery below to see more stars with and without makeup!