Today, the film industry celebrates the birth of one of the leading actresses of the 1950s, the late Jayne Mansfield. Throughout her short-lived career, the former Playboy playmate, born in 1933, earned her sex symbol reputation through an alluring appearance and box-office success.

But in the old Hollywood era, Mansfield wasn't the only bombshell sparking a sexual revolution that inspired your grandparents to push their beds together. We have these past silver screen icons, from the late Marilyn Monroe to Sophia Loren, to thank for all of the provocative female characters we see in movies today. Screw Viagra—here's a list of 15 classic beauties that should leave grandpas, as well as their grandsons, feeling frisky.