I think vulvas can be quite pretty.

( Captain Wow hiding in plain sight, Fri 25 Apr 2008, 22:11, archived)

Again it's more association than anything.
It is only a bit of pink flesh, in fact it pretty much looks like half cooked chicken. And even the shape, there's not really anything inherently appealing about it.
(Jeru The Cunt of Monte Cristo, Fri 25 Apr 2008, 22:15, archived)