Holly's World Holly's World

Holly Madison says she was "really surprised" when she learned her former boyfriend, Hugh Hefner, was engaged.

"There was no gossip about it; no one knew it was going to happen," she tells TVGuide.com of Hef's Christmas Day announcement  that he had proposed to 24-year-old Crystal Harris.

Hugh Hefner proposes to girlfriend on Christmas Eve

See photos of Holly Madison

In the video below, Madison discusses her producer's weight-loss demand, her Las Vegas Peepshow and her new venture into singing. Check it out: