Elizabeth Olsen was spotted with a baby bump in June 2026
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NEED TO KNOW
- Elizabeth Olsen and Robbie Arnett eloped before the COVID-19 pandemic in 2020
- He’s a musician in the band Milo Greene and co-authored the Hattie Harmony children’s book series with Olsen
- In June 2026, it was revealed that the couple were expecting their first child after Olsen was spotted with a baby bump
Elizabeth Olsen has started growing her family with her husband Robbie Arnett.
In June 2026, the WandaVision star was photographed holding her baby bump during a lunch outing in Los Angeles. This low-key announcement is on-brand for the actress, who has also kept her relationship with Arnett out of the public eye.
In fact, Olsen surprised fans when she called Arnett her "husband" during a June 2021 interview with Variety. During the video chat with Kaley Cuoco, which was released as part of Variety's Actors on Actors series, Olsen pointed out that Arnett had left a particular book in the room.
"I also just noticed that my husband put Little Miss Magic," Olsen explained, gesturing to a book from the Little Miss book series, which could be seen in the background. Olsen continued, "It's Little Miss Magic. They're these classic books, but 'magic' because of WandaVision, because he's such a f—ing cutie!"
When Cuoco jokingly asked if Arnett was also assisting with "craft services," Olsen responded, "God no. I made him breakfast."
It wasn't until a year later, in June 2022, that Olsen confirmed she and Arnett "eloped" and then "had a wedding at another time." "It was before COVID," she said during an interview for SiriusXM's The Jess Cagle Show. "I just never talked about it."
The Wind River star has remained relatively tight-lipped about her relationship with Arnett since the pair was first spotted together in March 2017. A little over two years later, a source confirmed to PEOPLE that Olsen and Arnett were engaged in July 2019 and had been dating for three years.
Even though they keep the details of their relationship private, Arnett is no stranger to the spotlight and has been working in the entertainment industry for years. So, who is Elizabeth Olsen's husband? Here's everything to know about Robbie Arnett and his relationship with the actress.
He's in the indie band Milo Greene
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Arnett is part of the Los Angeles-based band Milo Greene. The trio of singer-songwriters released their debut album in 2012, followed by 2015's Control and 2018's Adult Contemporary.
A few months after he and Olsen were first seen together, the Marvel actress gave Arnett's band a sweet shout-out on Sway in the Morning in August 2017, telling the hosts, "My boyfriend's in a cool band."
As for the band's unique name, Arnett told NPR in July 2012, "We wanted a booking agent, a manager, so we created a Gmail and starting sending people emails, calling people, on behalf of Milo Greene." The ruse helped secure them more gigs, and Milo Greene was soon adopted as the band's moniker.
In March 2025, Olsen told PEOPLE that she and Arnett aren't afraid to talk about their careers together.
"To us, the thing we love most is talking about stories," she said. "Talking about work is talking about why we do it, what's a good way to crack it. It's my favorite thing to talk about — I mean, one of my favorite things to talk about, with my husband. So I endlessly enjoy it."
His music has been featured in movies and TV shows
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As a member of Milo Greene, Arnett has been featured on several late-night talk shows. He appeared on The Late Show with David Letterman and The Tonight Show with Jay Leno in 2012, and later performed on Conan O'Brien's TBS show in 2015.
The band's music also appeared in the 2013 movie Fun Size, 2020's The F**k-It List, the Netflix series The Santa Clarita Diet and the TV series Supernatural.
Arnett also got the chance to work behind the scenes on 2019's Jexi, which starred Adam Devine. He is credited as a music coordinator on the film.
He first stepped out with Olsen in 2017
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Olsen and Arnett made their public debut in September 2017 at the Gersh pre-Emmys party in Los Angeles. The pair had previously sparked dating rumors in March 2017 when they were photographed walking arm-in-arm in New York City.
He proposed to Olsen in 2019
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During an appearance on The Late Late Show with James Corden in May 2018, Olsen revealed she'd moved in with Arnett, saying, "Yeah, we live together. … It already happened." When pressed by the host, Olsen revealed that Arnett had moved into her place "a couple months ago."
The next year, Arnett proposed to Olsen with an emerald engagement ring. A source confirmed to PEOPLE in July 2019 that the musician had popped the question after three years of dating, and Olsen was spotted wearing the stunning ring while grocery shopping with Arnett shortly after.
He and Olsen moved to London for work in 2021
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After Olsen finished filming WandaVision, she relocated to London to work on Marvel's Doctor Strange in the Multiverse of Madness, per Variety. Arnett joined the Marvel star in England, and according to Olsen, the pair fell in love with their new British home.
During a January 2021 appearance on the podcast Table Manners with Jessie Ware, Olsen explained, "I'm with my man-guy-partner, and we're in Richmond. He's a writer, he's a musician."
She continued, "He started just writing, like normal writing, not music. And so, he can do that here, so we're living this British dream in this house in Richmond right by the water."
He and Olsen don't prioritize social media
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Both Arnett and Olsen maintain their privacy when it comes to their personal lives, and they aren't big on using social media.
While Arnett has an active Instagram account, the musician rarely posts updates.
As for Olsen, the actress was previously on Instagram, but deleted her account in 2020. She later told Glamour UK in April 2021 that she was "never going back to social media."
"[I thought] Wait, why am I even trying to create a character version of myself and put it out in the world?" Olsen shared, saying that the whole thing made her "uncomfortable."
"And so during the pandemic I was like, 'Oh this is just not for me.' And I just got rid of it," she added.
He and Olsen created a children's book series called Hattie Harmony
Credit: Hattie Harmony Instagram
Olsen and Arnett are more than just spouses — they're also co-authors. Together, they've created a children's book series about Hattie Harmony, a cat detective who helps her friends deal with the anxieties of everyday life.
Their first book, Hattie Harmony: Worry Detective, hit bookshelves in June 2022.
Discussing the book, Olsen told PEOPLE in an exclusive statement, "Robbie and I couldn't be more thrilled to introduce the world to Hattie Harmony." She continued, "Inspired by the picture books we adored as kids, we hope that Hattie will become a friend and a welcomed reminder to be kind to yourself and to each other."
During a May 2022 appearance on The Tonight Show Starring Jimmy Fallon, Olsen credited Arnett with coming up with the book's title, saying, "That's my husband. He's very clever."
Olsen and Arnett's second book, Hattie Harmony: Opening Night, was released in June 2023.
"I had panic attacks when I was 22, and I absolutely thought something was medically wrong with me," the Love & Death actress told PEOPLE. "They're pretty terrifying when they happen. I learned games to play in order to keep myself present and not spin. I've also done yoga since I was 17. Luckily I felt like I had tools."
Arnett added, "I was a very anxious kid, and my family moved around a lot. I never really felt rooted anywhere, and I had all sorts of fears. It's been helpful developing Hattie and really sitting with it and thinking about the kid in me."
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