First up: What Mel refers to as the Ms. Barbie. This is the vag most people picture when they think of a vagina. Actually, says Mel, FEW PEOPLE ACTUALLY HAVE THIS VAGINA.
In the Ms. Curtains model, the labia minora actually hangs out of the labia majora.
The Ms. Puffs vag is similar to Ms. Barbie, but the lips stick out a bit more from the pubic bone.
Ms. Tulip is so named because of her resemblance to a blooming flower. The labia minora is exposed "through the entire length of the labia majora," writes LeeLo.
Finally, the Horseshoe vagina has an opening at the top which reveals the labia minora, but then the labia majora cover the labia minora at the bottom.
No matter what it looks like, I think we can all agree: