Last updated on: December 4, 2025
Olivia Millar is famous today for being the girlfriend of Jonah Hill. Still, she has her own path, her own style, and her own story. Olivia is a shy and creative woman who prefers to stay behind the scenes. Though connected with a famous Hollywood star, she leads an unusually simple life. She spends most of her time with her business, family, and child. Many people have been eagerly looking for some information about her, so here is what we know.
Quick Facts About Olivia Millar
| Full Name | Olivia Millar |
| Birthdate | N/A |
| Occupation | Co-owner of Chasseresse (vintage & sustainable clothing store) |
| Husband/Wife | Partner: Jonah Hill |
| Education | N/A |
| Age | N/A |
| Parents | Mother: Esmé Marshall (1980s model) |
| Siblings | Rachel Roberts, Hayden Millar, Trev Millar |
| Children | One child (born May 2023) |
| Net Worth | <$1 million (as of 2025) |
Early Life and Family
Olivia Millar grew up in an art-and-fashion-loving family. Her mother was Esmé Marshall, a popular model in the 1980s. For this reason, Olivia had style and creativity around her from a very tender age.
She has three siblings.
Her sister Rachel Roberts is her closest friend and also her business partner.
She has two brothers: Hayden and Trev Millar.
She has a really strong bond with Rachel; that’s why Olivia often calls her a “best friend for life.” Their close relationship later helped them start a business together.
Career in Sustainable Fashion
Olivia is an entrepreneur. She co-owns a vintage and sustainable clothing store, Chasseresse. She operates this store with her sister Rachel. The name “Chasseresse” means “huntress” in French. It fits well because the sisters search for unique and special pieces to sell.
Their store focuses on:
Vintage clothes
Fashion brands for sustainability
Curated Accessories
Eco-friendly goods
Olivia truly cares about the environment. She truly believes in slow fashion and purchases items that last. Her work reflects her love for simple, clean, and natural style. As her business grows, she continues to stay humble and calm. Her brand has gained attention with being thoughtful and stylish.
Relationship With Jonah Hill
Olivia and Jonah Hill started dating in 2022. They were first seen together in August of that year when photographers in Malibu captured them kissing on the beach. The moment had firmly established that these two were in a new relationship.
At the beginning of 2023, Olivia was spotted with a ring on her left hand. Many people came to believe that the couple was engaged, but they never announced it.
Olivia and Jonah welcomed their first child in May 2023. That was a very special moment for them. The birth became the reason Jonah could not attend his sister Beanie Feldstein’s wedding this month.
The couple is very private: they do not post about each other, do not attend big events together, and Olivia’s Instagram account is private. They like to live quietly, far from media attention. Many fans respect this choice.
READ ALSO: Jonah Hill Net worth, Age, Girlfriend, Family, Facts & More
Personal Life
Olivia has a calm and gentle personality. She loves nature, simplicity in life, and quiet moments with her family. She tries to avoid the public eye, though people show much curiosity about her. Her style is soft, minimalist, and warm. She seems to focus on what really matters: family, health, comfort. Even though her partner is a huge Hollywood celebrity, Olivia has maintained her own identity. She is still into her business and is bringing up her baby with love and care.

