Jessica Biel by Steve Granitz/WireImage.com Jessica Biel by Steve Granitz/WireImage.com

Though still haunted by her super-racy circa-2000 Gear spread, Jessica Biel is prepared to reveal what makes a onetime Sexiest Woman Alive most qualified for her role as a stripper in the upcoming Powder Blue - within limits. "[Jessica] signed a contract that explicitly details the bare minimum fans will see, including shots of her breasts and butt," a source tells Us.

Similarly, current Stuff cover gal Ivanka Trump - who this time gave the Donald a heads-up about her second pictorial for the lad mag - set clear parameters about what she would bare. "I told them, 'No midriff, no bikini bottoms,'" she shares with the New York Post. And no unsightly hairpieces, either, I imagine.