Jennifer Garner laid bare ex-husband Ben Affleck’s obsession with Beyoncé’s music in candid new comments.

“Do you guys do this? Do you listen to a song over and over again?” the “Alias” alum asked the audience during an appearance at Diesel, A Bookstore on Thursday.

“I just want to tell you something. I’ve survived this. I have lived through it,” she said.

The “13 Going on 30” actress, 53, then recalled supporting Affleck, also 53, as he filmed “The Town” back in 2009.

“Ben Affleck listens to a song over and over,” she said, according to People.

“I had a three-month-old and a three-year-old living in a rental in Cambridge, Mass., while he was shooting ‘The Town,'” she shared. “And he listened to Beyoncé‘s ‘Halo,’ and I would be nursing.”

Affleck directed, co-wrote and starred in the 2010 crime thriller, which premiered at the Venice Film Festival that year and went on to nab a Producers Guild of America nomination for best film — as well as two wins from the National Board of Review.

“The Last Thing He Told Me” author Laura Dave — who appeared at the Los Angeles event alongside Garner and Rita Wilson — sympathized.

“I love that because the only other person now besides Ben that I’ve heard that does that was [screenwriter] Tom Stoppard,” Dave — who admitted she indulges in the same practice — said.

“And when I heard that, I thought, okay, I’m in some good company.”

Garner and Affleck married in 2005 and parted ways in 2015, and share kids Violet, 20, Seraphina, 17, and Samuel, 13.

Despite Affleck’s marriage to Jennifer Lopez — which lasted from 2022 to 2025 — they’ve continued a close co-parenting relationship.

Affleck spent Thanksgiving at Garner’s Brentwood, Calif., home in November with their kids, and the exes met up the following month for a theater outing at the Hollywood Pantages Theatre with Seraphina — though he was also spotted stepping out with Lopez, 56, and Samuel for shopping and lunch the same day.

“Even though Ben and Jen have been split for a while now, he feels a certain level of comfort with her,” an insider exclusively told Page Six of Garner in November.

Earlier this month, the mom of three made a rare comment on the most difficult aspect of her divorce from “The Rip” actor, which was finalized in 2018.

“The actual breaking up of a family is what was hard,” she told Marie Claire. “Losing a true partnership and friendship is what was hard.”

However, the actress explained that eventually, it became easier to envision a peaceful co-parenting relationship with her ex.

“Time is the opportunity to heal,” she said. “Time is the opportunity to forgive, to move on and to find a new way to be friends.”