While most A-list celebrities are reluctant to tell you about all of the secret beauty treatments, tips, and tricks, there is one beauty treatment that a few celebrities — including Mandy Moore and Lena Dunham — are letting us folks into. It’s known as semi-permanent brows and if you look hard enough, you can see a number of before and after celebrity photos proving that their brows are part of this trend, but not to fret, so can yours!