The 25 most famous women to appear on Playboy's cover

Since Hugh Hefner published the first American edition of Playboy magazine in 1953, hundreds of stars have been on the cover. Some actresses have fought to appear on the cover of Playboy. Others, like Jessica Alba, took legal action to avoid appearing in its pages.

Marilyn Monroe was famously the first model on Playboy's cover and probably the single most famous woman to appear in the magazine. But she didn't appear in it the most.

Keep reading for a look at the most famous women who graced the cover, and some who appeared in Playboy more than once.