Rob Lowe had crush on Demi Moore, said hook-ups were ‘inevitable’ on ‘St. Elmo’s Fire’ set

Rob Lowe is remembering the wilder days of the Brat Pack portion filming "St. Elmo’s Fire."

While appearing connected "SiriusXM’s ‘Let’s Talk Off Camera with Kelly Ripa,’" Lowe joked that the acceptable was a "big enactment orgy."

He said helium had a crush connected Demi Moore and they "briefly had a thing" earlier she and Emilio Estevez were engaged.

"Anytime you enactment young 20-something men and women together, hookups are inevitable. I don’t deliberation that has changed," the "Parks and Recreation" prima said.

Rob Lowe said helium utilized to person a crush connected Demi Moore and they "briefly had a thing" earlier she and Emilio Estevez were engaged. The 2 are pictured present successful 2020. (Amy Sussman/Getty Images)

ROB LOWE RECALLS FILMING HIS 'ABOUT LAST NIGHT' SEX SCENES WITH DEMI MOORE: IT’S 'VERY BORING'

But then, conscionable arsenic quickly, relationships changed and Moore was joined to Bruce Willis.

Lowe recalled, "And past we each were astatine her wedding to Bruce. Biggest wedding I’d been to up until then. I had ne'er been to a wedding similar that. There were, I think, 2 dependable stages rented, and bands and truthful fun, and amazing."

The formed of 'St. Elmo's Fire', directed by Joel Schumacher, 1985. Left to right: Rob Lowe, Ally Sheedy, Demi Moore, Emilio Estevez, Mare Winningham, Judd Nelson and Andrew McCarthy.  (Silver Screen Collection/Getty Images)

Lowe, meanwhile, has been joined to his wife Sheryl Berkoff for 33 years, aft initially being acceptable up connected a unsighted date, oregon arsenic helium joked a "half-blind" day since helium was a movie prima astatine that point.

Initially, the timing didn’t rather work, but they met again connected the acceptable of a movie wherever she was moving arsenic a make-up creator and things rekindled.

Lowe and his woman Sheryl Berkoff person been joined for 33 years. (Amanda Edwards/Getty Images)

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He took her connected a property circuit with him and stopped successful Fiji connected the mode home, and that’s erstwhile helium had an "epiphany."

Lowe saw their names connected a edifice doorway "and I was overwhelmed with a consciousness that we were going to beryllium together, that we were going to person children, each of this stuff. And that could not person been farther from wherever my caput was, farther from my quality to adjacent present on. And that is what so happened. And, that was the opening of america dating."

The mates joined successful 1991 and stock 2 sons, Matthew and John Owen.

Lowe and Berkoff stock 2 sons, Matthew and John Owen. (Emma McIntyre/Getty Images)

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Last month, Lowe talked astir becoming an empty-nester and reigniting the spark with his woman during an quality connected "The Jennifer Hudson Show."

"Becoming [an empty-nester] was really ace affectional for me," helium said. "I was truthful sad. And past erstwhile they were retired of the house, I looked astatine my woman and went, ‘Wait a minute, I retrieve you! You’re hot! And we person amusive together.'"

Lowe joked helium was excited to beryllium an bare nester with his sons retired of the location due to the fact that it's rekindling romance with his wife. (Roy Rochlin/Getty Images)

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"And each of a sudden, I could aftermath up successful the mediate of the nighttime and spell get a midnight snack without immoderate apparel connected again. It was precise freeing. I emotion being an empty-nester now."

New episodes of SiriusXM's "Let's Talk Off Camera with Kelly Ripa" are disposable each Wednesday connected the SiriusXM app and wherever podcasts are available.