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Jennifer Garner and John Miller started dating in 2018 — the same year Garner and Ben Affleck finalized their divorce. Affleck and Garner retained a friendship post-split, as they have three kids together: Violet, 19, Fin, 15, and Samuel, 12. The exes spent Thanksgiving day together in 2024, and Affleck was spotted heading to Garner’s for dinner that evening. However, a source said Miller spent the night at Garner’s after the daytime festivities ended. Here’s what to know.

John Miller allegedly spent the night at Jennifer Garner’s place after Thanksgiving day festivities

John Miller and Jennifer Garner keep their relationship out of the public eye as much as possible. The couple began dating in 2018, and they’ve been on and off ever since. In 2024, sources claim they’re more serious than ever. While Garner is pursuing her relationship with Miller, she maintains a friendship with Ben Affleck, as they co-parent their three kids and live close by.

Affleck and Garner spent Thanksgiving together in 2024. During the day, they teamed with Midnight Mission to feed 2,000 homeless and near-homeless people in the Los Angeles area. Affleck was spotted walking to Garner’s Brentwood home for dinner with his kids. A source told Page Six that Affleck felt “blessed” to spend the holiday with Garner, particularly considering his divorce from Jennifer Lopez.

“Ben has a strong relationship with Jen that will never dissipate because they have a lot of history together and she’s the mother of his kids,” the source continued.

After Affleck went home, Miller reportedly came over to Garner’s place and spent the night. A source told People that Garner is “very happy” with Miller and “sees him almost every day.”

As for how her kids feel, Garner knows they love when she spends time with Affleck. “She will continue to make sure that they spend time together as a family and include Ben,” the source added.

Another source claimed Jennifer Garner doesn’t like John Miller sleeping over

Jennifer Garner posing in a red dress at the premiere of Netflix's 'Family Switch'
Jennifer Garner | Frazer Harrison/Getty Images
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Jennifer Garner and John Miller seem like an ideal match, and fans are hopeful that the couple will go the distance and tie the knot. An insider told Life & Style that Garner and Miller are “perfect for each other because they both seem happiest just staying home for their date nights and maybe taking a walk around the neighborhood after dinner.”

That said, Garner puts her kids first. The source added that Garner typically sends her boyfriend home by 10 p.m., as she wants to remain respectful of her children.

“She likes to get her beauty sleep and be there for kids in the morning,” the insider continued. “Plus, she’s too respectful of her kids to have him do sleepovers when they’re home, which is most of the time.”

The ’13 Going on 30′ star’s friendship with Ben Affleck might’ve created tension in her relationship

Jennifer Garner and Ben Affleck will likely always stay friends, as they’re forever bonded by their kids. However, in September 2024, a source told Life & Style that John Miller was “at the end of his rope” with Garner’s “unfathomable” support of Affleck as Affleck proceeded with his divorce from Jennifer Lopez.

“John is still incredulous the woman he was close to marrying pushed him aside to focus on repairing her ex’s love life! How is he supposed to feel?” the source continued.

The insider alleged that Garner realized she put Miller “in second place” to Affleck, leaving her to “salvage” the romance. Thankfully, it seems she and Miller are back on good terms as 2024 comes to a close.

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