The 1999 film American Pie, and more specifically Stifler's Mom, introduced us to the MILF (Mother I'd Like to F**k). Since then it has only become more mainstream. Whether it be a celebrity, your friend's mom, or even your mom (whoa), we all know a MILF. What better way to celebrate Mother's Day than with some smoking hot, celebrity moms. Check out our rankings then vote in our poll after the jump!