8 Surprising Facts About Olivia Millar: The Private Vintage Huntress Who Captivated Jonah Hill

As of December 2025, Olivia Millar remains one of Hollywood's most intriguing and private figures, known primarily as the partner of actor and filmmaker Jonah Hill. Unlike many celebrity partners who embrace the spotlight, Millar has consciously cultivated a life and career "behind the scenes," carving out a significant niche for herself in the competitive world of fashion and e-commerce. Her story is a fascinating blend of inherited style, entrepreneurial grit, and a determined commitment to privacy, especially since she and Hill welcomed their first child in 2023.

Millar’s public profile is defined by her professional success as a co-owner of a highly-regarded online vintage store and her quiet relationship with one of the most recognizable names in comedy and drama. This deep dive uncovers the latest details on her background, her thriving business, and the timeline of her life with Jonah Hill, revealing the woman behind the headlines who is much more than just a celebrity’s partner.

The Quiet Profile of Olivia Millar: A Full Biography

Olivia Millar’s life prior to her relationship with Jonah Hill was largely out of the public eye, focusing instead on her professional development in the fashion industry. The known details about her background, family, and career provide a clear picture of her deep roots in the world of high fashion and sustainable commerce.

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• Full Name: Olivia Millar
• Known For: Partner of actor/filmmaker Jonah Hill; Co-founder of Chasseresse.
• Career: Entrepreneur, Co-owner of an online vintage clothing and lifestyle store.
• Business: Chasseresse (Co-founded with her sister).
• Mother: Esmé Marshall, a prominent and highly-regarded top model from the 1980s.
• Sister: Raychel Roberts (Co-founder of Chasseresse).
• Relationship Status: Partnered with Jonah Hill.
• Children: Welcomed their first child with Jonah Hill in 2023.
• First Public Sighting with Hill: August 2022 (in Malibu).
• General Demeanor: Extremely private and avoids public appearances.

Chasseresse: Weaving a Legacy of Vintage and Sustainability

Millar has established her own professional identity, distinct from the celebrity sphere, through her successful venture in the e-commerce and sustainable fashion space. Her company, Chasseresse, is a testament to her passion for vintage style and ethical consumption.

The Vision Behind Chasseresse

Olivia Millar co-founded the online vintage shop Chasseresse with her older sister, Raychel Roberts. The name itself, which is French for "huntress," perfectly encapsulates the store's mission: to hunt down and curate exceptional vintage pieces. Chasseresse is more than just a clothing store; it functions as a lifestyle brand focusing on sustainability and high-quality, pre-loved items.

The store's inventory is diverse, extending far beyond typical vintage apparel. Shoppers on Chasseresse can find a curated selection of vintage clothing, unique jewelry, art, and homewares. The business model also embraces modern ethical fashion by featuring sustainable and regenerative brands alongside their vintage finds, positioning Millar and Roberts as key players in the slow fashion movement.

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Following in Fashionable Footsteps

Millar's career in the fashion industry is a direct, yet distinct, continuation of her family's legacy. Her mother, Esmé Marshall, was a notable top model during the 1980s, walking runways and gracing magazine covers. While Marshall was a highly visible figure, Millar chose a path that keeps her out of the spotlight, preferring to work on the business and creative side of the industry.

This "behind-the-scenes" approach reflects a deliberate choice to build a career based on her own merits and business acumen, rather than leveraging her mother’s fame or her partner’s celebrity. The focus on vintage and sustainability also highlights a modern, conscious approach to fashion, moving away from the fast-paced, disposable nature of the industry her mother once dominated.

Relationship Timeline: From Malibu to Motherhood

The relationship between Olivia Millar and Jonah Hill has been marked by a strong commitment to privacy, a notable contrast to the highly public nature of Hill’s career. Their bond has progressed rapidly, moving from initial sightings to parenthood in a relatively short period, all while maintaining a low profile.

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A Private Beginning in Malibu

Millar and Hill first sparked romance rumors in August 2022. The couple was spotted together in Malibu, where they were photographed kissing, confirming the start of their relationship. At the time, Millar was not immediately identified, underscoring her successful efforts to remain out of the public eye.

The relationship quickly became serious, and by early 2023, rumors began to circulate that the couple was expecting their first child. These speculations were confirmed in March 2023 when Millar was photographed with a visible baby bump while shopping in Los Angeles. The sightings were rare, reinforcing their desire to keep their personal lives, especially the pregnancy, private.

Welcoming Their First Child in 2023

In June 2023, representatives for Jonah Hill confirmed that he and Olivia Millar had welcomed their first child together. The birth was kept quiet, with no immediate announcement of the baby's name or exact date of birth, which is consistent with the couple's overall private approach.

This significant life event marked a major milestone for both Millar and Hill. For Hill, who has been open about his personal growth and mental health journey, the transition to fatherhood with a partner who values privacy aligns with his recent focus on personal well-being. Millar, as a new mother and dedicated entrepreneur, continues to balance her roles while maintaining her distance from the intense scrutiny of the celebrity world. Their shared value of privacy is a cornerstone of their relationship, allowing them to navigate the pressures of fame on their own terms.

Olivia Millar's Enduring Appeal and Private Life

Olivia Millar represents a new generation of celebrity partners who leverage their own professional identity rather than simply basking in the reflected glow of their famous significant other. Her dedication to Chasseresse and the principles of sustainable fashion demonstrates a strong, independent career path.

The blend of her high-fashion lineage—being the daughter of a top 80s model—and her modern, ethical business practices makes her a compelling figure. While her partner, Jonah Hill, is a Hollywood mainstay, Millar has successfully maintained her own world, focused on vintage hunting, e-commerce, and the joys of new motherhood. Her decision to remain intensely private is not a withdrawal, but a conscious choice to prioritize her family and her business, cementing her status as a powerful, yet quietly influential, figure in the world of celebrity and style.