WWW- Is Paige Davis, the host of The Learning Channel’s “Trading Spaces,” the victim of some hot Internet gossip?If anonymous rumors on the Internet are to be believed, the 35-year-old fix-it vixen – who presides over houseswappings in which neighbors redecorate each other’s homes on cable television – may have once starred in a steamy homemade video.

Yesterday, a rep for Davis told Lowdown, “Paige is on the set. We’re looking into it, and her lawyers have been notified.”

A representative for TLC (whose motto, appropriately, is “Life Unscripted”) didn’t return detailed messages.

But an anonymous reviewer on the Celebrity Nudity Database (www.cndb.com) describes a variety of activities allegedly involving Davis and “a boyfriend” – including some in-shower grooming while belting out “I Feel Pretty.”

A second reviewer claims that the video is dated July 3, 1997, and estimates that Davis – or maybe her doppelbanger – was 27 at the time. “She sure looks a lot and sounds a lot like the real deal,” the reviewer says.

A third writer provides a detailed description of one intimate moment.

The account concludes: “I’m sure it’s her.”

Davis lives in Manhattan with her husband, actor Patrick Page. At an AIDS research fund-raiser in July, she raised eyebrows – not to mention heart rates – when she reportedly launched into a striptease and flashed her thong at the audience.