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Ian Ziering

Denise Truscello/WireImage

Well, hello.

Former Beverly Hills, 90210 star Ian Ziering proved age is nothing but a number when the married father took the stage for his Chippendales debut at the Rio All-Suite Hotel and Casino in Las Vegas on Saturday.

The 49-year-old guest host and performer showed off his sculpted abs while strutting the brand's signature black bow tie and white cuffs—worn over nothing, natch.

"You guys are insane! Reminds me of all those mall appearances I used to do in the '90s, except, back then, I couldn't do this," Ziering said onstage before ripping off his white tank top. "Hey TMZ, bite me."

It looks like all those hip-shaking routines from Dancing With the Stars were put to good use.

The actor will be dancing with Chippendales Thursday-through-Sunday until June 30.