Robbie Arnett is best known as a musician and as the husband of actress Elizabeth Olsen, but his career began independently of Hollywood celebrity. He is a member of the Los Angeles indie band Milo Greene, has worked on music connected to film and television, and has collaborated with Olsen on children’s books. The couple have generally kept their private life away from constant publicity, making Arnett an interesting figure for readers who know him primarily through Olsen.
Who Is Robbie Arnett?
Robbie Arnett is an American musician and multi-instrumentalist associated with Milo Greene, a Los Angeles-based indie pop group. The band formed around 2009 and released its self-titled debut album in 2012. AllMusic identifies Arnett as one of the group’s members and describes Milo Greene as an indie pop ensemble built around multiple vocalists and instrumentalists.
Arnett’s connection to music goes back to his college years. NPR reported in 2012 that he and Andrew Heringer were college friends who had been in separate bands before developing the idea that became Milo Greene. The band’s unusual name came from a fictional booking-agent persona they created while trying to get more professional opportunities.
| Detail | Information |
|---|---|
| Full name | Robbie Arnett |
| Profession | Musician and multi-instrumentalist |
| Best known for | Milo Greene |
| Band origin | Los Angeles, California |
| Spouse | Elizabeth Olsen |
| Relationship began | 2017 |
| Engagement | 2019 |
| Marriage | Privately eloped before a later wedding celebration |
| Creative collaboration | Hattie Harmony children’s books |
Robbie Arnett and Milo Greene
Milo Greene is the biggest part of Arnett’s professional biography. The group originally operated with a collaborative structure in which members shared vocals and played different instruments. The band’s self-titled debut arrived in 2012 through Atlantic’s Chop Shop label.
The album established Milo Greene as an emerging indie act, while later releases showed the group moving toward a more polished, synth-influenced sound. AllMusic lists Control from 2015 and Adult Contemporary from 2018 among the band’s releases.
The group’s music has also appeared in entertainment projects. Coverage of Arnett’s career has connected Milo Greene’s songs with film and television placements, including Fun Size and Netflix’s The Santa Clarita Diet. That background helps explain why Arnett’s work sits naturally between independent music and screen entertainment.
How Did Robbie Arnett Meet Elizabeth Olsen?
Arnett and Elizabeth Olsen began dating in 2017. Their relationship was initially kept relatively private, although the pair eventually appeared together publicly. They became engaged in 2019.
The couple’s low-profile approach has remained a consistent feature of their relationship. People reports that they eloped before the COVID-19 lockdown and later held a separate wedding celebration. Olsen subsequently discussed the marriage more openly, explaining that she had eloped and simply had not shared the news publicly at the time.
That history is why older articles sometimes describe the couple differently. Their marriage was private rather than nonexistent, and Olsen’s later comments clarified the timeline.
💡 Pro Tip: When researching celebrity relationships, check the publication date of each source. Arnett and Olsen deliberately kept major relationship milestones private, so older profiles can leave out details that were confirmed later.
Their Creative Partnership
Arnett and Olsen have also worked together away from music and acting. The pair co-authored the Hattie Harmony children’s book series, beginning with Hattie Harmony: Worry Detective in 2022 and continuing with Hattie Harmony: Opening Night in 2023.
The books focus on childhood anxiety and emotional support. Olsen has discussed how personal experiences with anxiety helped inspire the project, while interviews about the books have highlighted storytelling as a shared interest between the couple.
This collaboration offers a different view of Arnett’s creative work. Instead of being known only as a musician or as Olsen’s husband, he has participated in a publishing project that combines writing, illustration and conversations about children’s emotional wellbeing.
His Work Beyond the Band
Arnett’s professional interests have extended into the wider entertainment industry. People has reported that he worked as a music coordinator on the 2014 comedy Jexi, adding behind-the-scenes production experience to his musical background.
That role fits with the way Arnett has approached creative work throughout his career. Music remains central, but his projects have included songwriting, performance, screen-related work and children’s publishing.
His career is smaller in public profile than Olsen’s acting career, but it is not limited to being associated with a famous spouse. Milo Greene gave him an independent professional identity years before the couple’s relationship became widely known.
Robbie Arnett and Elizabeth Olsen’s Private Life
Privacy is one of the clearest themes in coverage of Arnett and Olsen. They have appeared together at selected public events, including the 2024 Golden Globes, but generally avoid turning their relationship into a constant media story.
The couple also spent time living in London while Olsen worked on a Marvel project. Their shared life has therefore included periods of relocation connected to Olsen’s career, alongside their own creative projects.
More recent coverage has reported that the couple welcomed their first child in 2026. People reported that Olsen and Arnett became parents during the summer, adding a new chapter to a relationship they have largely managed outside the spotlight.
Why Robbie Arnett Gets Public Attention
Search interest in Robbie Arnett is closely connected to Elizabeth Olsen, particularly because Olsen’s Marvel career made her internationally recognizable as Wanda Maximoff. Yet Arnett’s biography has its own clear foundation in music and creative work.
His story is also a reminder that not every celebrity partner follows the same career path as the person they married. Arnett has remained involved in music while participating in other entertainment and publishing projects.
📌 Key Takeaway: Robbie Arnett is a musician and member of Milo Greene who has built a creative career of his own. His marriage to Elizabeth Olsen brought wider attention, while their joint children’s books show that storytelling is an important part of their shared creative life.
Frequently Asked Questions
Who is Robbie Arnett?
Robbie Arnett is an American musician and multi-instrumentalist best known as a member of the indie band Milo Greene. He is also known for his marriage to actress Elizabeth Olsen.
Is Robbie Arnett married to Elizabeth Olsen?
Yes. Arnett and Olsen are married. They began dating in 2017, became engaged in 2019 and privately eloped before later holding another wedding celebration.
What band is Robbie Arnett in?
Arnett is a member of Milo Greene, an indie pop group formed in the Los Angeles area. The band released its self-titled debut in 2012 and later released Control and Adult Contemporary.
Did Robbie Arnett write books with Elizabeth Olsen?
Yes. Arnett and Olsen co-authored the Hattie Harmony children’s books. The first, Hattie Harmony: Worry Detective, was published in 2022, followed by Hattie Harmony: Opening Night in 2023.
Do Robbie Arnett and Elizabeth Olsen have children?
Yes. Recent 2026 reporting says the couple welcomed their first child during the summer of 2026.
Conclusion
Robbie Arnett has built a career that reaches beyond his connection to Elizabeth Olsen. His work with Milo Greene established him as a musician, while screen-related projects and the Hattie Harmony books expanded his creative portfolio. His marriage to Olsen has naturally brought additional public attention, but his professional story began with music and continues to include several forms of creative collaboration.
