Emilio Estevez, Andrew McCarthy, Demi Moore, Judd Nelson, Ally Sheedy, Andie MacDowell, and Mare Winningham co-starred in the 1985 film.

Rob Lowe talked about the couples that formed and broke apart while filming "St. Elmo's Fire," including his crush on Demi Moore.

Decades later, Lowe says he still keeps in touch with Moore, and they are in a group chat exploring a possible St. Elmo’s Fire sequel. According to the star, the entire case is on board. “It’s going a little more slowly than I would have liked, but that’s a good thing because we’re trying to find the right writer and the right story," he shared.

Rob Lowe and Demi Moore’s romance in 1986’s About Last Night wasn’t just an on-screen fling. During an Oct. 22 appearance on Kelly Ripa’s Let’s Talk Off Camera podcast, the 9-1-1: Lone Star actor, 60,

Rob Lowe shared that he and Demi Moore had a "brief" romance during their days in the Brat Pack and insisted that he and his St. Elmo's Fire costar have remained friends since it ended.

Rob Lowe confirmed that he and Demi Moore "briefly" dated back in the 1980s while speaking with Kelly Ripa on her 'Let's Talk Off Camera' podcast.

The actor noted that his hookup with the G.I. Jane star occurred while they were members of the Brat Pack and starring in St. Elmo's Fire — but before Moore, now 61, became engaged to Emilio Estevez in 1985. The couple ended their engagement the following year and Moore went on to marry Bruce Willis in 1987.

Kelly Ripa pumped the actor for details about his off-screen relationship with his 'St. Elmo's Fire' costar on her podcast

Rob Lowe says he's 'very much in contact' with Demi Moore about the development of a 'St. Elmo's Fire' sequel, and has an idea for his character arc: 'Is Billy sober?'

Rob Lowe and Demi Moore played convincing love interests in the 1986 romantic comedy About Last Night, and it turns out there were some sparks offscreen as well. During the Wednesday, October 23, episode of her “Let’s Talk Off Camera” podcast,