Justin Hartley Does Amazing Things With His Butt-Crack in New ‘Bad Moms Christmas’ Trailer (Video)

“This Is Us” star has revealing naked encounter with Kathryn Hahn in new red-band teaser for holiday-set comedy

STX Entertainment just dropped a new red-band trailer for “A Bad Moms Christmas,” the R-rated comedy sequel that aims to “put the ass back in Christmas,” as Kathryn Hahn’s character says at one point.

The most revealing moment in the new NSFW clip comes when Hahn has a revealing professional encounter waxing a stripper Santa played by “This Is Us” star Justin Hartley, who doesn’t flinch when she removes hair from his, um, crotch region.

“I’ll hold my butt-crack open for you anytime you want, Carla,” he tells her.

Hahn reteams with Mila Kunis and Kristen Bell for the sequel to the hit summer 2016 comedy. This time the suburban trio must endure the arrival of their respective mothers for the holidays — played by Susan Sarandon, Christine Baranski and Cheryl Hines.

Jay Hernandez, Wanda Sykes, Peter Gallagher and Oona Laurence also star.

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Jon Lucas and Scott Moore wrote and directed the movie, which is due in theaters November 2.

Watch the red-band trailer above.