Robin Thicke reacts to dad's sex song confession

Alan Thick and Robin Thicke attend the "Festival After Dark" With Special Performance By Robin Thicke at Sugar Park City during the Sundance Film Festival on Jan. 21, 2012, in Park City, Utah.

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One thing you don't ever want to picture is your parents having sex, right?

Well, Robin Thicke was forced to recently after it came out that his dad, actor Alan Thicke, and his wife, Tanya Callau, heat things up in the bedroom with a little help from Robin's music.

"When we do get freaky, we love [Robin's song] 'Sex Therapy,'" the 40-year-old Callou told Us Weekly. "You have to admit, it's a great song to get in the mood."

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Alan Thicke and Tanya Callau attend the Gala Dinner and Awards on Sept. 29, 2013.
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By the sound of it, Robin, 38, was a bit mortified by the sex song confession made by Alan's wife of 10 years. He tweeted: "Dad, I heard what you said to @usweekly... I need you to give back all of my music. Immediately. @Alan_Thicke."

Alan and Gloria Loring -- Robin's mom -- divorced when Robin was 7 years old. The former "Growing Pains" star was married to his second wife, Miss World 1990 Gina Tolleson, from 1994-1999.

Robin and his longtime wife, Paula Patton, separated in February 2014, after almost nine years of marriage. Their divorce was finalized earlier this year.