Este Haim is one of three sisters forming the superstar pop group Haim. The trio has historically been very discreet about their personal lives. Most of their stories are shared through their songs, which are often about both love and heartbreak. In 2023, Este did share some more intimate thoughts with The Cut about self-love.“I don’t think I truly understood self-love until the last three or four years,” she said. “There’s an air of confidence that comes from just loving yourself, the good and the bad.”Sonia Recchia//Getty ImagesBut in mid-February 2025, the oldest of the musical sisters revealed on Instagram that she was engaged to tech CEO Jonathan Levin. The post showed Este smiling in celebration, flashing a square-cut diamond engagement ring and wearing a T-shirt that read, “I’M TAKEN.”View full post on InstagramOn Jan. 1, 2026, a source told People that the couple had gotten married on New Year’s Eve.Here’s everything to know about Levin and his relationship with Este so far.Jump to:Who is Jonathan Levin?How long have they been together?What else has the couple said about one another?How did Levin propose?When did they get married?Have they made any recent public appearances?What has Haim said about her marriage to Levin?What marriage advice did Haim share in November 2026?Who is Jonathan Levin?Levin is originally from the United Kingdom, where he studied at the University of Bristol for economics before attending the University of Oxford, where he received a master’s in philosophy and economics, per his LinkedIn profile. Levin then moved to New York City, where he cofounded Chainalysis, a cryptocurrency company.Talking to The Big Whale in February 2025, Levin said he “discovered crypto in 2012 at a time when only computer scientists were researching Bitcoin, which was then the leading cryptocurrency.”Leigh Vogel//Getty ImagesLevin said he wrote a number of academic studies on the topic and “why people use cryptocurrencies,” believing this understanding would support industry growth. Levin has stated he wants to “bring greater trust and transparency to cryptocurrency markets.” He was made CEO of the company in December 2024.Chainalysis is known for focusing on tracing data and attempting to institute safety measures around blockchains and cryptocurrency. Levin has even testified before the U.S. Congress around national security and blockchain technology.How long have they been together?The couple has not shared anything about how they got together or how long they’ve been dating. However, fans have noticed Levin on Este’s arm at various events dating back to 2023, when he was her date at Taylor Swift’s birthday that December.View full post on InstagramIn September 2024, he joined Swift and Este in a suite for a Kansas City Chiefs game and was seen with the friend group again that month at the US Open.What else has the couple said about one another?Since announcing her engagement, Este has been posting on Instagram with allusions to Levin. Her first came on Valentine’s Day, where she shared a screenshot of herself FaceTiming him in her Instagram Stories. She called him her “love,” writing, “happy valentine’s day, i love you j.”InstagramShe then posted about Haim’s upcoming album on March 12, writing in the caption, “i don’t think my fiancé is mentally prepared for relationships to be out.”View full post on InstagramHow did Levin propose?Este told Vogue on Jan. 1, 2026, that Levin popped the question on Dec. 22, 2024, during a hike. “I had Mario Badescu acne medication on, my hair was in a top knot, I had no makeup on, I was in sweats and sneakers,” she said.He had a placeholder ring, she recalled: “A beautiful ring still, but the second he was like, ‘Will you marry me?’ and I said yes, he also was like, ‘We need to design this ring, because this is not the final thing.’ I thought [that] was really, really sweet.”When did they get married?A source told People that they tied the knot on Dec. 31, 2025, with Vogue revealing that they had their “intimate ceremony in California.”Este spoke to Vogue about her Louis Vuitton wedding dress, saying, “I’ve been looking forward to this day since I was five. When I was five, I had this vision of me, coming down a spiral staircase, there’s a scene in Cinderella that probably is what I was mimicking, but I would descend in this giant ballroom gown, and then my fiancé, [my] husband, would be at the bottom and grab my hand.”Have they made any recent public appearances?On July 13, Kloss shared an Instagram Story from Jay-Z’s concert at Yankee Stadium featuring herself and husband Joshua Kushner seated with Este and Levin.Kloss and Este had been guests at Taylor Swift’s wedding 10 days before.What has Haim said about her marriage to Levin?At the New York City premiere of One Night Only, Haim shared some of the relationship advice she applies to her own marriage to Levin.“Keep pursuing, even if you’re in a relationship,” she told People. “You should always be dating. You should always be working toward having a better relationship. Relationships are work, and I think people forget about that.”What marriage advice did Haim share in November 2026?In a November 10 interview with People, Haim elaborated on her previous advice about continuing to date your spouse, sharing some of the ways she and Levin keep their relationship exciting.“I think people misunderstood that,” she said. “What I meant was, you need to continue leaving little notes for each other. Flowers are nice. Don’t get complacent—and separate bathrooms, I think, are also pretty essential.”Haim also revealed that she and Levin recently returned to Pioneer Works in New York City, where they had their first date.“We went back to where we went on our first date. We went to [NYC nonprofit cultural arts center] Pioneer Works...It was a day of music and art, and there was good beer and wine, and it was just really nice to go back to our roots,” she said.