It's always go time on Showtime. The cable titan has proven itself to be the go-to channel for graciously gratuitous nudes, and with new shows like The Borgias and Shameless continuing this fine tradition, it's time to count down the 10 hottest babes of Showtime. Will nudecomers like Emmy Rossum and Sharon Hinnendael edge out classic skinstresses like Mary-Louise Parker?

And for more Showtime skinnage, check out our Red Shoe Diaries and Californication playlists!