Castle star and all around geek god Nathan Fillion is a secret nail artist, whose talents rival that of the most repinned nail art on Pinterest. In a recent appearance on Conan, Nathan shared the fruits of his labor — painting his girlfriend's toenails in a comic-book theme. Everyone has to have a hobby, right?
POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests.