Which Super-Pregnant Reality Star Kissed a Ferret? (PHOTO)

Former Playboy model and The Girls Next Door star Holly Madison showed off her animal love in Las Vegas this weekend.

On Dec. 1, the super-pregnant reality gal was photographed fully clothed — but in a slinky blue dress, natch — and kissing someone much younger than Hugh Hefner: a ferret!

Her shows may be over now — Holly’s World was cancelled in April 2011 — but we wouldn’t be surprised to see her on another reality show soon …

Did you know it was Holly? Tell us below, and then click here to play more “Guess Who?”