Kaia Gerber and Lewis Pullman’s Full (and Increasingly Public) Relationship Timeline

Sorry to say that The Shards star Kaia Gerber is very much off the market (and no, she’s not romancing her Shards costar Homer James Jigme Gere). Instead, she’s dating yet another nepo baby, Lewis Pullman, and things seem to be escalating. Most recently, a source close to Kaia dished to People that she and Lewis “are the real deal and so in love,” adding that “they feel as though they’ve been together for a lifetime.” Okay, cute!Now that we’re about a year-and-a-half into this ‘ship, it’s obviously time to obsess over every detail in timeline form. Starting with...Jump to:January 2025April 2025May 2025June 2025July 2025September 2025October 2025December 2025April 2026May 2026July 2026January 2025Kaia and Lewis are spotted in Cabo, according to DeuxMoi. Per the gossip account’s website, “We might have just identified one of the mystery men in Kaia Gerber's vacation crew! A Deuxmoi reader spotted Gerber and Lewis Pullman at Ye Rustic Inn in Los Feliz with two other friends after her Cabo vacation.”Days later, news of Kaia and Austin Butler’s breakup drops after weeks of rumors. TMZ speaks to multiple sources who say things officially ended “around the end of 2024” and claim there is “no bad blood” between them. They also give the reason why Kaia and Austin split, saying “the relationship just simply ran its course.”Lewis then fuels romance rumors when he attends opening night for Kaia’s play, Evanston Salt Costs Climbing.By the end of the month, Kaia is spotted at Salazar for Lewis’s birthday dinner, and they’re photographed looking...let’s just say cozy. E! News speaks to an eyewitness who says they “arrived and left together” and were “holding hands and very affectionate” all evening.That’s when sources really start spilling. People chats with a source who dishes on the relationship, saying, “They’ve been spending time together the last few weeks. They’re a cute couple and very low-key.”Not to be outdone, an insider tells Us Weekly a day later that Kaia and Lewis “have actually been together for a while now,” and “run in the same circle and have similar friend groups. ” Oh, and apparently they “started dating in early December” but kept the relationship “under wraps until the news of her and Austin’s split came out.”Per the source: “Kaia would make sure to be in a hat to try and be unnoticed, but they would be at their favorite restaurants, bars and clubs, holding hands and showing PDA. They were just frequenting crowds that didn’t really know them.”April 2025Lewis dodges a question about Kaia on the red carpet after ET asks “there’s a certain brunette we would’ve liked to see you bring along as a date.” His response?“Well, listen. We’re all just lucky to be here on the carpet, hanging, looking forward to Thunderbolts*.”May 2025Page Six reports that Kaia and Lewis were spotted at the Broadway performance of The Picture of Dorian Gray, and an exclusive source says, “They are definitely together. Kaia sat resting her head on Lewis’ shoulder throughout the performance.”June 2025Kaia and Lewis are seen kissing at a Tyler Childs concert at the Hollywood Bowl in photos shared with DeuxMoi:July 2025The duo is photographed holding hands while walking around an L.A. park, and if that doesn’t say official, I don’t know what does!!September 2025Aaaand we’ve got a red carpet debut! Kaia and Lewis attend the premiere of The Testament of Ann Lee during the Venice International Film Festival and look totally smitten. See for yourself:Alessandra Benedetti - Corbis//Getty ImagesAlessandra Benedetti - Corbis//Getty ImagesAlessandra Benedetti - Corbis//Getty ImagesOctober 2025Kaia opens up about her relationship with Lewis for the first time during an appearance on Jake Shane’s Therapuss podcast, telling him that she and Lewis “are healthy” together and “a lot is being healed in this relationship.”Add Cosmopolitan as a preferred source in your Google search results.Use your Google account to add this to your settings.According to Kaia, she’d lost herself in some of her previous relationships. “I would completely just change my personality and my values for someone,” she explained. “I always dated people that were older than me, so I was very willing to give up everything. I was like, ‘I can show you I love you by completely giving up my life for you,’ which is actually not how you build respect and trust, and is not good in the long run.”So...what makes her relationship with Lewis different? According to Kaia, they’re friends above all else. “I really feel like if you have the opportunity to date a friend, do it, because it just is so much better,” she continued. “I never wanna fight with my friends. I never wanna be mad at my friends. I respect my friends. It just is like a whole other thing, and I think sometimes you forget you like someone when you love them.”December 2025The pair is photographed hand-in-hand on a beach and looking very in love.April 2026Another month, another round of photos emerges with Kaia and Lewis looking hot on a beach.The Daily Mail also released photos of the two dressed up for a family wedding in Mexico.May 2026A chatty source opens up to People about the pair, saying the relationship has been serious from the start. “They weren’t treating it like something casual,” they say. “It didn’t feel like something for show. It felt very genuine right away. They were already around family early on.”The insider continues, “It just felt like they were naturally part of each other’s lives pretty quickly. They’ve kept things very low-key. You don’t see them trying to be out everywhere. It’s more about spending time together, often with their families. They both seem very down-to-earth. It’s very family first.”July 2026More tea from People, coming through! A new source says, “Kaia and Lewis are the real deal and so in love,” adding, “Cindy and Rande love them together and they feel he’s a part of the family already. They feel as though they’ve been together for a lifetime. Lewis is so kind and gentle towards Kaia, he gets along with all her friends and is so loving.”That brings us up to date! We’ll be updating it with the latest on these two.