The Real Housewives are about to get really naked.

As previously revealed, Bethenny Frankel nude pics will soon hit PETA-sponsored billboards. (Note to animal lovers:

Now, Frankel's reality TV show co-star and rival has announced her intention to outdo her bare-bodied enemy.

In Touch Weekly reports that Kelly Bensimon will be pose in the December issue of Playboy. Ex-husband Gilles Bensimon actually snapped the photos, but don't get too excited, fellas: the mother of two will only be partially nude.

“Kelly is a former model, so she will be a natural,” said an insider.

Hey, at least she's a better choice than Kate Gosselin.