You've undoubtedly read my analyses of the eight kinds of nipples and the seven kinds of boobsat this point, and it occurred to me today that I would be sorely remissnot to feature the five kinds of butts, too. Here's the skinny: World-famous plastic surgeon Dr. Schulman told Cosmo about the kinds of buttin an interview, detailing how they're shaped and what kind of panties they're best suited for. (He would know, right?) A picture is worth a thousand words, though, and drawings only go so far - so I naturally rounded up actresses that had these ass shapes in real life:

1. Round: Jaime Pressly

The Five Kinds of Butts - and the Actresses Who Have Them

2. A Shape: Scarlett Johansson

The Five Kinds of Butts - and the Actresses Who Have Them

3. Heart: Demi Lovato

The Five Kinds of Butts - and the Actresses Who Have Them

4. Square: Alicia Vikander

The Five Kinds of Butts - and the Actresses Who Have Them

5. V Shape: Angelina Jolie

My question for you guys is this: What's your favorite butttype?