Elizabeth Olsen and musician Robbie Arnett have been together since 2017, eventually marrying in a private ceremony before the COVID-19 pandemic.

Elizabeth Olsen and musician Robbie Arnett began dating in February 2017 after meeting through a mutual friend while vacationing in Mexico. The couple, who have since married, maintain a private relationship while supporting each other's professional endeavors. They have collaborated on creative projects, including a children's book, and share one child together.

Professional Background and Collaboration

Robbie Arnett is a musician and member of the band Milo Greene, which released its self-titled debut album in 2012, followed by 'Control' in 2015 and 'Adult Contemporary' in 2018. Beyond music, Arnett and Olsen co-authored a children's book titled 'Hattie Harmony: Worry Detective,' which was published in June 2022. The couple has also engaged in philanthropic work, partnering with the nonprofit The Latitude Project in 2018 to assist with water access in Nicaragua following Hurricane Nate.

Marriage and Personal Life

Olsen confirmed her marriage to Arnett during a 2021 interview, later clarifying that they eloped before the COVID-19 pandemic. She has described Arnett as a supportive and humorous partner, noting that she realized he was the right person for her within six months of dating while they were renovating a house together. The couple has navigated Olsen's filming schedule, with Arnett accompanying her to London during the production of 'Doctor Strange in the Multiverse of Madness.'

Family and Public Appearances

The couple welcomed a child in 2026, with reports of the birth surfacing in August of that year. While they generally maintain a low profile, they have been photographed together at various public events and casual outings, including the 2024 Golden Globes and trips to New York City and Los Angeles. Olsen has spoken openly about their engagement, which took place in Northern California, describing it as a private and memorable moment.