She may be retired, but Jenna Jameson is still taking it off – for animals.

The former porn star shows quite a bit of skin in a new PETA public service announcement touting the merits of animal birth control.

“Sometimes too much sex and be a bad thing,” the ad says, next to Jameson’s come-hither look.

“Until dogs and cats can go on the pill or wear condoms, we need to help them practice safe sex—by spaying and neutering,” the 34-year-old said in a statement through PETA.

“Millions of homeless animals are turned in to shelters every year because there simply aren’t enough good homes for them all. The answer is as easy as ABC: Animal Birth Control, which means get your Fido or Fluffy fixed!”

Jameson joins the ranks of celebrities such as Eva Mendes, Pamela Anderson and Alicia Silverstone, who have also stripped down for the animal rights organization.

The ad is an interesting move for Jameson, who is rumored to be expecting her first child with boyfriend Tito Ortiz.

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