Amanda Seyfried and Thomas Sadoski had a slow-burn romance before it fizzled out.
The pair met in May 2015 while working together on the Off-Broadway play The Way We Get By. At the time, Seyfried was in a relationship with Justin Long. Sadoski, for his part, was married to Kimberly Hope. Seyfried and Sadoski’s connection was strictly platonic while they were in their respective relationships.
In October 2015, Sadoski split from Hope after eight years of marriage. Seyfried also ended her two-year relationship with Long that same year. The Mamma Mia! star and Sadoski reunited for the film The Last Word in early 2016, and Us confirmed that the pair were an item after the duo were spotted arriving together on set.
Seyfried and the Newsroom alum secretly tied the knot in March 2017 while the actress was nine months pregnant with their daughter, Nina, who arrived less than two weeks later. The pair announced the birth of their second baby, son Thomas Jr., in September 2020 in a statement via the organizations INARA and War Child.
Sadoski and Seyfried announced in September 2026 that they split after nine years of marriage.
Scroll down to see Seyfried and Sadoski’s relationship over the years:
May 2015
Seyfried and Sadoski met while costarring in the Off-Broadway play The Way We Get By.
March 2016
Us confirmed that the couple were dating after Seyfried reunited with Sadoski on the film The Last Word.
June 2016
The duo packed on the PDA while attending Paris Fashion Week together.
March 2017
The Les Misérables actress debuted her baby bump on the red carpet to promote her and Sadoski’s film, The Last Word.
March 2017
The pair secretly got married in Topanga, California, while Seyfried was nine months pregnant with their first child. The couple welcomed their daughter, Nina, less than two weeks later.
March 2020
Seyfried celebrated her three-year wedding anniversary with Sadoski in a sweet Instagram tribute. “Happy 3, Tommy,” she captioned a photo with the Wild star. “Goat wrangling is far easier and way more fun when we do it together. 💞”
August 2020
Seyfried opened up about quarantining with her family in upstate New York amid the coronavirus pandemic during an episode of the video series Molner’s Table. “Our family is still together,” she said at the time. “I definitely think my marriage is, like, even stronger.”
October 2020
The couple announced the birth of baby No. 2 with the help of the nonprofit organizations INARA and War Child.
“Since the birth of our daughter three years ago our commitment to the innocent children that are so brutally affected by conflict and war has been a driving force in our lives,” Seyfried and Sadoski wrote in a statement. “With the birth of our son, the work of INARA and War Child has become our North Star.”
March 2021
“HAPPY ANNIVERSARY @thomas_sadoski 🩹🎈4️⃣,” the Mank star captioned a tribute post to her love via Instagram.
March 2021
Amid the coronavirus pandemic, the couple encouraged their Instagram followers to get vaccinated. They posted a selfie wearing matching black shirts and masks along with red Band-Aids on their arms.
May 2021
“Happy Mother’s Day to my favorite Yarnabomber and all the other creative anarchist badass mama’s out there,” Sadoski captioned a Mother’s Day tribute to his partner.
June 2021
The Oscar nominee gushed about Sadoski as the “father of my dreams” via Instagram for Father’s Day.
March 2022
“The vibe [in Hudson County] just suits them all as a family, they love being around nature and away from the hustle of city life,” a source exclusively told Us of the private pair. “Amanda loves to hike. She and Thomas [are] huge fans of the outdoors and they’ve been taking the kids out locally, plus exploring more of the East Coast.”
While the Mank actress “commutes back and forth” to Los Angeles for work, Sadoski is “equally adept” at “being a hands-on dad and taking care of business at home when she’s busy,” the insider explained.
The source added: “They try to time their schedules that way, as well as making plenty of time for date nights and trips away by themselves.”
September 2022
Sadoski supported his wife at the 74th Primetime Emmy Awards, where she won the Outstanding Lead Actress in a Limited or Anthology Series or Movie trophy for her role in The Dropout.
“Thank you, my family. [Thank you to] my mom, my husband, my dad and my kids — and my dog Finn! Thank you so much,” Seyfried gushed in her acceptance speech at the time.
October 2022
The twosome dressed up for a Halloween celebration on October 29.
June 2023
“It was actually really nice [having Thomas on set]. Because it was in the beginning when I was a little insecure,” the actress told Page Six about collaborating on The Crowded Room. “I felt like it was always nice to check in with him and see if I was doing a good job. And that was really nice.”
Sadoski, for his part, gushed about working on the same project as his wife. “I wasn’t with her every single day on set,” he added. “So for me, it was fun to show up, and for her, I think it was like a breath of fresh air to have someone away from the really heavy serious stuff she was doing with Tom [Holland] so I think it worked out really well for both of us.”
September 2026
Seyfried and Sadoski released a joint statement announcing that they had called it quits after nearly a decade of marriage.
“We have been separated for a while, and it’s proven to be the right move for us and our family unit,” the pair told People. “We’ve got each other forever — and it’s good.”
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