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Jeff Timmons

David Livingston/Getty Images

Putting his boy-band days behind him, 98 Degrees singer Jeff Timmons is staking out a more, shall we say, adult female fan base.

The 37-year-old popster has signed on with Chippendales for a limited run in its famed Las Vegas revue.

Talk about raising the temperature...

Timmons will join the bow-tied crew as the special musical guest star and emcee at Sin City's Rio All-Suite Hotel and Casino.

The gig will last four weekends, Thursdays through Sundays from May 12 through June 5, according to a release on the exotic dance troupe's website. Tickets are on sale now.

Eat your heart out, Nick Lachey!