All About ‘Love Hypothesis’ Star Lili Reinhart’s Boyfriend, Actor Jack Martin

Giovana GelhorenThu, September 24, 2026 at 2:28 PM UTC

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Jack Martin and Lili ReinhartCredit: Getty ImagesTHE GIST -

Love Hypothesis star Lili Reinhart and Jack Martin were first linked in April 2023.

They’ve since gone official on Instagram, made their red carpet debut, and have gushed about each other in interviews.

Martin, who started his career as a content creator, is an accomplished actor, most recently starring in Hulu’s Not Suitable for Work.

On September 23, 2026, Prime Video’s newest rom-com, Love Hypothesis, landed on the platform. Starring Lili Reinhart and Tom Bateman, the movie, based on Ali Hazelwood’s bestselling novel by the same name, is gearing up to be Prime Video’s next big hit.

But as viewers tune in to see Reinhart and Bateman’s onscreen chemistry as Olive and Dr. Adam, Reinhart has a swoon-worthy love story of her own in real life. Since 2023, Reinhart has been going strong with her boyfriend, fellow actor Jack Martin.

“I love her more than anything. What else can you say? I am grateful for her literally every day,” Martin gushed about his girlfriend to Entertainment Tonight. “She is the kindest person I’ve ever met. She’s so empathetic, and wonderful, and sweet. She’s the best. I miss her right now.”

Jack Martin and Lili ReinhartCredit: Nina Westervelt/WWD via Getty Images

Seeing the clip, Reinhart only had kind words to say back. “We try to be private, but we’re together, and we’re happy to be together, so to hear him say that is wonderful, and I echo the same sentiment,” she told the outlet. “He is the most supportive person who’s ever been in my life, and I’m so grateful to have someone like him be my partner.”

Nevertheless, being together as two up-and-coming successful actors can have some challenges. “When I’m working, he visits me; when he’s working, I visit him; and if we’re both working at the same time, which happened a lot this year, we just have to put our heads down and get through it,” Reinhart told Marie Claire in November 2025. “The feeling of missing someone prolonged over eight weeks is exhausting.”

Below, find out everything there is to know about Lili Reinhart’s longtime boyfriend, Jack Martin.

He started his career as a content creator.

Martin, who grew up in McLean, Virginia, graduated from Georgetown University in 2019. Shortly after graduation, he began taking screen acting classes at NYU Tisch’s Stonestreet Studios Film & TV Conservatory during his time there.

During that time, he started posting videos on TikTok and quickly gained an audience. “I was an elitist about TikTok. I was like, ‘I’m never downloading that app.’ It’s for 16-year-olds to dance with their shirts off,” Martin told ComicBook. With time, however, Martin finally caved and realized he has the complete wrong impression. “Then I went on there and I realized you can just make anything,” he said. “You can make any video, as long as it’s a minute.”

“I saw some guy doing a sketch that was rich guys or something, and it was terrible. I was like, ‘Oh, I could totally do that,’” he remembered of his first videos. “I started doing the skits.” Soon enough, Martin had a hefty following and was signed to a manager and an agent.

He’s an actor who has starred in shows like ‘La Brea’ and ‘Not Suitable for Work.’

Jack MartinCredit: Theo Wargo/Getty Images

With a substantial following online and a team behind him, Martin soon started auditioning for roles in TV. His first big role was in the TV show La Brea, where he played Josh Harris. The series ran for three seasons and came to an end in 2024.

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After that, he landed small parts in TV shows Almost Friday TV and The Rookie, before making his feature film debut in Senior Prank in 2025. Other film credits of his include Pizza Movie and Happy Hours.

His best-known work to date is his latest, the Mindy Kaling-created series on Hulu, Not Suitable for Work, which premiered onJune 2, 2026. In the series, which was sadly canceled after season 1, Martin played Josh Teitelbaum.

“I really wanted to be in it, and I just got really lucky,” Martin said of the opportunity on The Hollywood Reporter.

He also shared his first impression of Kaling. “The first thing I said was, ‘That’s the nicest person in an audition room I’ve ever interacted with,’” Martin said of Kaling. “She was just so polite and her notes were very thoughtful and generous. She wasn’t intimidating. She wasn’t rude. She was just wonderful. And that’s how she was on set too.”

He was first linked to Reinhart in April 2023.

Lili Reinhart and Jack MartinCredit: @realjackmartin

Reinhart and Martin’s romance dates back to April 2023, when they were first spotted kissing outside LAX Airport in photos obtained by Page Six.

Not long after their romance hit the headlines, Martin made their relationship Instagram official with a carousel of photos on July 10, 2023. The photo gallery included three photos of Reinhart. “Unbelievable, even egregious amounts of Smiling and Chilling,” Martin wrote in the caption.

They made their red carpet debut in September 2023.

Jack Martin and Lili ReinhartCredit: Jacopo Raule/Getty Images

Two months later, Reinhart and Martin made their red carpet debut as a couple at the Venice Film Festival in Venice, Italy. The couple attended the Giorgio Armani “One Night In Venice” event on September 02, 2023, in glamorous Armani looks.

Martin’s been by Reinhart’s side during her health struggles.

Throughout their relationship, Reinhart has struggled with health issues, including being diagnosed with Endometriosis and Adenomyosis.

Per Elle, Reinhart once took to Instagram Stories to thank Martin for all of his support. “Never in my life could I have gotten through this without my partner,” she shared. “It’s not easy to have a chronically ill girlfriend—when I spent months barely leaving the house, couldn’t walk due to pain, and felt incredibly depressed due to the shift in my quality of life. Jack’s love and support have never wavered for a second during a time when my body was truly falling apart.”

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Source: “AOL Entertainment”