how is it even possible to decide this?
some of my favorites
Pam Anderson, the original (she ruined herself)
Charlize Theron
Jessica Alba
Jessica Biel
Rebecca Romijn
Halle Berry
Sophia Loren
Kim Bassinger
Ali Landry 20 years ago. Remember her from the Doritos Super Bowl commercial? She was Miss USA at one time, so she already had a built in advantage.