If you’ve searched “Robbie Arnett Wikipedia,” you’re probably trying to figure out who this musician is and why his name keeps popping up next to Elizabeth Olsen’s. This guide lays out what’s actually confirmed about his age, his band, his marriage, and the newborn baby that has fans buzzing this week.
Background: Who Is Robbie Arnett?
Robbie Arnett is an American singer, songwriter, and multi-instrumentalist best known as a founding member of the Los Angeles indie band Milo Greene. He started making music with college friends in the late 2000s, long before most people knew his name. That changed once he began dating actress Elizabeth Olsen, who plays Wanda Maximoff in the Marvel movies. Since then, search interest in Arnett has come almost entirely from people curious about Olsen’s husband rather than fans of his band.
People look him up for a few different reasons: they want to know his real age, whether he and Olsen are actually married, what he does for a living outside of music, and — most recently — whether the couple has had a baby. He keeps a very low public profile, which only makes people search harder for basic facts about him.
Latest Update
Robbie Arnett is trending right now because multiple entertainment outlets, including People and Page Six, reported over the weekend of August 15–16, 2026, that he and Elizabeth Olsen welcomed their first child together. The reports are based on photographs of Olsen carrying a baby in a carrier while out with Arnett in Los Angeles, not on a public statement from the couple themselves.
⚠️ Important: Neither Robbie Arnett nor Elizabeth Olsen has personally confirmed the birth, the baby’s name, sex, or exact birth date. Everything currently circulating is based on photo sightings and secondhand reporting from outlets close to the couple. This article treats those details as unconfirmed until the couple or a verified representative says otherwise.
What is fairly well established is the timeline leading up to this moment: photos in June 2026 showed Olsen with a visible pregnancy, and by early August she was no longer photographed with a baby bump. That lines up with the birth reports, even though a precise date hasn’t been confirmed publicly. No other major news — no scandal, no split, no health issue — has been reported about Arnett as of this date.
Full Profile
Family and Early Life
Arnett has kept his childhood almost entirely out of the public record. He does not discuss his upbringing in interviews, and there’s no verified reporting on siblings or extended family. What is known is that he went to high school in Naperville, Illinois, which suggests he was at least partly raised in the Midwest before his music career pulled him to Los Angeles.
Career Path
Arnett co-founded Milo Greene around 2009–2010 in Los Angeles with college friends Marlana Sheetz and Andrew Heringer; Graham Fink and drummer Curtis Marrero joined soon after. The band signed with Chop Shop/Atlantic Records and released its self-titled debut album on July 17, 2012, which reached the top of Billboard’s Heatseekers chart. Milo Greene went on to release two more albums, Control (2015) and Adult Contemporary (2018), and the band has continued performing and recording since. Outside the band, Arnett has contributed music to film and television projects, and in 2022 he co-wrote the children’s book Hattie Harmony: Worry Detective with Olsen, a story aimed at helping kids talk about anxiety.
Age
Robbie Arnett was born on March 3, 1992, which makes him 34 years old as of this update.
Religion
Arnett’s religious beliefs have not been confirmed by him or any verified source. A small number of low-authority fan sites describe him as having a Christian upbringing, but this is unconfirmed and should be treated as unverified until he addresses it directly.
Spouse/Partner
Arnett is married to actress Elizabeth Olsen. The two met in Mexico in February 2017 and went public with their relationship later that year. They got engaged in July 2019, and multiple entertainment outlets report that they eloped quietly before the COVID-19 pandemic hit in 2020. The exact wedding date is genuinely murky — Olsen has said in interviews that they “eloped, and then had a wedding at another time,” and different outlets have listed the marriage as happening anywhere from 2019 to 2021 — so treat any specific wedding date as unconfirmed.
Net Worth
There is no officially audited figure for Arnett’s net worth. Unverified celebrity-finance sites estimate it somewhere between $2 million and $5 million, based on album sales, touring, and music placements in film and TV. Treat this range as an unconfirmed estimate, not a hard fact.
Parents
Arnett has never publicly named his parents or discussed them in detail. This information is currently unconfirmed and not part of the public record.
Height
Estimates of Arnett’s height vary by source, ranging from about 5 feet 10 inches to 5 feet 11 inches. Since there’s no official measurement on record, treat the exact number as unconfirmed.
Education
Arnett attended Neuqua Valley High School before studying theater at the University of California, Irvine, where he met the future co-founders of Milo Greene.
Hometown/State of Origin
Sources conflict here. One source lists Los Angeles, California as his birthplace, while his high school record points to Naperville, Illinois. Without an official statement from Arnett, his exact hometown should be treated as unconfirmed.
Official Social Media
Arnett’s verified Instagram handle is @robbiearnett. He posts rarely and keeps most of his content focused on films and music rather than his personal life.
| Year | Milestone |
|---|---|
| 1992 | Born March 3 in the United States |
| ~2009–2010 | Co-founds Milo Greene in Los Angeles |
| 2012 | Milo Greene releases its self-titled debut album |
| 2017 | Begins dating Elizabeth Olsen |
| 2019 | Gets engaged to Olsen |
| 2019–2021 | Marries Olsen (exact date unconfirmed) |
| 2022 | Co-writes “Hattie Harmony: Worry Detective” with Olsen |
| 2026 | Reportedly welcomes first child with Olsen (unconfirmed by couple) |
Reader Questions (FAQ)
Who is Robbie Arnett?
Robbie Arnett is an American musician and a founding member of the indie band Milo Greene. He is widely known as the husband of actress Elizabeth Olsen.
How old is Robbie Arnett?
Robbie Arnett was born on March 3, 1992, making him 34 years old as of August 2026.
Is Robbie Arnett married to Elizabeth Olsen?
Yes, Robbie Arnett is married to Elizabeth Olsen. They began dating in 2017, got engaged in 2019, and eloped quietly sometime before 2020, though the exact wedding date has never been officially confirmed.
Did Robbie Arnett and Elizabeth Olsen have a baby?
As of August 17, 2026, multiple entertainment outlets report the couple welcomed their first child, based on photos of Olsen carrying a baby in Los Angeles. Neither Arnett nor Olsen has personally confirmed the birth, so specific details like the baby’s name and birth date remain unconfirmed.
What band is Robbie Arnett in?
Arnett is a founding member of Milo Greene, an indie rock band from Los Angeles that released its debut album in 2012 and has put out several albums since.
What is Robbie Arnett’s net worth?
There’s no officially confirmed figure. Unverified estimates place his net worth between $2 million and $5 million, drawn from music royalties, touring, and book royalties, but this range should be treated as an estimate rather than a fact.
Where did Robbie Arnett go to college?
He studied theater at the University of California, Irvine, where he met several of his future Milo Greene bandmates.
Does Robbie Arnett have Instagram?
Yes, his verified account is @robbiearnett, though he posts infrequently and keeps his personal life largely private.
Wrap-Up
Robbie Arnett’s story is really a study in staying low-key while married to someone extremely famous. He built a real, independent career in music years before Elizabeth Olsen entered the picture, and he’s kept doing his own thing — touring with Milo Greene, scoring music for screen projects, and co-writing a children’s book — rather than leaning on her spotlight.
The renewed search interest in him right now comes down to one thing: the reported arrival of his and Olsen’s first child. It’s a big life update, but it’s also a good reminder to separate what’s actually confirmed from what’s assumed. The pregnancy reports from earlier this year were solid, and the recent baby-carrier photos are convincing, but until Arnett or Olsen speaks publicly, details like the baby’s name and exact birth date stay in unconfirmed territory.
For now, what can be said with confidence is this: Robbie Arnett is 34, he’s a working musician with a real discography, he’s been with Olsen since 2017, and their family appears to be growing. Anything beyond that — his exact height, his net worth, his parents, or the fine details of the new baby — is either private or simply not public yet, and this article will only update those points once a credible source confirms them.
Smith Andrew is the Founder and Editor of BiographyCabal. He researches, writes, and edits accurate, engaging, and well-researched biographies of celebrities, entrepreneurs, athletes, influencers, politicians, and other notable public figures. Committed to factual reporting and quality storytelling, Smith ensures every article is reader-focused, informative, and based on reliable sources, helping readers discover the lives, careers, and achievements of influential people around the world.