LOS ANGELES (CBSLA.com)  —  The worlds of daytime and reality TV will collide during two episodes of the ever-steamy “The Bold and the Beautiful” during a spooky bikini Halloween party with 13 past “Big Brother” contestants as special guests.

The two episodes will air at 12:30 p.m. Oct. 30 and Oct. 31 on CBS2.

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In the story, Liam (played by Scott Clifton) and Ivy (Ashleigh Brewer) are looking to kick-start their new romance. What better place than at a party at Bikini Beach surrounded by people who are half naked?!

They are joined at the party by oft-shirtless hunk Carter (Lawrence Saint Victor) and never-shirtless “Big Brother” contestant Donny Thompson, the season 16 Fan Favorite as voted on by America.

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Thompson will also change costumes constantly as an wink and homage to “Big Brother” houseguests this season who believed he was everything from a ninja to paratrooper to CIA spy to officer for Homeland Security. He is actually a groundskeeper.

In addition to Thompson, other former “Big Brother” alums to make the scene will include Season 16’s Amber Borzotra, Cody Califiore (this season’s runner-up), Nicole Franzel, Zach Rance, Caleb Reynolds, Devin Shepard and Hayden Voss. They will be joined by perennial faves Jeff Schroeder and Jordan Lloyd, who got engaged this summer, Rachel Reilly and Brendon Villegas, who married in 2012, and Rachel’s sister Elissa Slater.

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For a behind-the-scenes look at the taping of the episodes watch CBS2 News at 5 p.m. Wednesday.