No Makeup For Heigl?

And you know what? She doesn't look half bad!

Grey's Anatomy vixen beauty Katherine Heigl was out exercising in her Primp tank top on Monday, sans makeup. Still hot? We think so... and that's not just because she was nice enough to give us a wave!

Just because we think she can be super-snotty sometimes doesn't also mean she's not pretty and talented!