The Private World Of Olivia Millar: 7 Surprising Facts About Jonah Hill's Partner And Fashion Entrepreneur

The world's focus remains intensely fixed on the private life of Olivia Millar, particularly following the major life milestone she shared with actor Jonah Hill. As of December 15, 2025, the couple continues to keep a remarkably low profile, a rarity in the hyper-connected celebrity sphere. This intentional privacy has only fueled public curiosity about the woman who captured the heart of the Superbad star and became a new mother.

Millar, who operates successfully outside the glare of Hollywood as a co-owner of a chic online fashion retailer, represents a fascinating blend of entrepreneurial spirit and old-school celebrity lineage. While her partner, Jonah Hill, is a household name in film, Olivia Millar's own story—rooted in the fashion industry and defined by a commitment to personal boundaries—is equally compelling and often overlooked.

Complete Profile: Who Is Olivia Millar?

Olivia Millar has successfully maintained a level of anonymity that is highly unusual for the partner of a major Hollywood actor. Her public profile is intentionally sparse, focusing primarily on her professional endeavors and the few confirmed details of her personal life. The following is a comprehensive breakdown of the key facts known about the private fashion entrepreneur:

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• Full Name: Olivia Millar
• Known For: Partner of actor Jonah Hill; Co-owner of the online vintage and contemporary retailer, Chasseresse.
• Mother: Esmé Marshall, a top model from the 1980s who graced the covers of major fashion magazines.
• Sister/Business Partner: Raychel Millar.
• Relationship Status: Partnered with Jonah Hill.
• Relationship Timeline: First sparked romance rumors in August 2022 after being spotted together in Malibu.
• Children: Welcomed their first child with Jonah Hill in 2023 (gender and name details remain private).
• Career Focus: Fashion industry, specifically as a retailer and curator of high-end clothing.
• Residence: Believed to reside primarily in the Los Angeles area, maintaining a lifestyle focused on wellness and privacy.

The Entrepreneurial Drive: Inside Chasseresse and the Fashion Lineage

While many celebrity partners leverage their association for public fame, Olivia Millar has instead channeled her energy into building a credible business. Her primary professional endeavor is Chasseresse, an online retailer she co-owns and runs alongside her sister, Raychel Millar.

Chasseresse: Curating the Modern Vintage Aesthetic

Chasseresse is not merely a fleeting celebrity side-project; it is a carefully curated platform specializing in both vintage and contemporary clothing. The store's aesthetic is often described as chic, sustainable, and highly selective, catering to a discerning clientele interested in unique, high-quality pieces. This venture showcases Millar's deep understanding of the fashion landscape, a skill that is likely inherited. The business model emphasizes a commitment to a slower, more deliberate fashion cycle, aligning with modern sensibilities around sustainability and timeless style.

The success of Chasseresse speaks to Olivia Millar's business acumen and her ability to cultivate a strong brand identity without relying on her partner's fame. She operates as a true industry insider, focusing on sourcing and styling rather than public-facing promotion. This is a critical distinction that defines her professional independence.

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The Legacy of Esmé Marshall

Olivia Millar’s connection to the fashion world is deeply rooted in her family history. Her mother is the renowned 1980s model, Esmé Marshall. Marshall was a prominent figure in the industry, often featured on the covers of major magazines, which provides Olivia with a powerful, albeit private, lineage within the high-fashion community. This background has undoubtedly provided her with an innate understanding of aesthetics, quality, and the inner workings of the industry, which she now applies to her role as a retailer and curator.

This lineage positions Olivia Millar not just as a celebrity girlfriend, but as a person with substantial topical authority in the fashion space. She is a second-generation fashion professional who has chosen the demanding path of entrepreneurship over the spotlight of modeling.

A Timeline of Privacy: The Jonah Hill Relationship and New Parenthood

The relationship between Olivia Millar and Jonah Hill is characterized by an almost unprecedented level of privacy for a couple of their stature. Their connection first became public knowledge in August 2022 when they were photographed sharing a kiss in Malibu, sparking immediate romance rumors.

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The Road to Parenthood

The couple's commitment to privacy was most evident during their journey to parenthood. Rumors of a pregnancy first surfaced in early 2023 when Millar was photographed with a baby bump while shopping in Santa Monica. Unlike many celebrity couples who announce their news with grand social media reveals, Hill and Millar chose to keep the entire process largely under wraps.

The news of the baby's arrival was confirmed in 2023, making the Wolf of Wall Street actor a first-time father. To this day, the couple has not publicly disclosed the baby's name or gender, successfully shielding their child from the intense media scrutiny that often follows celebrity offspring. This decision highlights their shared value of a quiet, grounded family life away from the Hollywood machine.

This desire for a low-key existence is a recurring theme in Hill's recent life, as he has been open about his personal struggles with anxiety and his decision to step away from public appearances to protect his mental health. Olivia Millar’s non-celebrity background and her respect for boundaries appear to be a perfect complement to his pursuit of a more balanced, private life.

Beyond the Headlines: LSI Entities and Olivia Millar's Quiet Influence

While the initial search for "Olivia Millar" often leads to her association with Jonah Hill, a deeper dive reveals a woman with a distinct personal identity and influence. Her life incorporates several key entities that define her world:

• Wellness and Lifestyle: Photographs of the couple often show them engaging in healthy, low-key activities, such as surfing or casual outings in coastal California towns. This suggests a shared commitment to a lifestyle focused on wellness and personal health, aligning with Hill’s public advocacy for body positivity and mental well-being.
• The Anti-Fiancée Narrative: Although initial reports sometimes referred to her as Hill's "fiancée," the couple has never officially confirmed an engagement. Their focus appears to be on their partnership and new family, rather than a traditional public trajectory, further cementing their image as a non-traditional celebrity pairing.
• The 'Non-Hollywood' Partner: Olivia Millar represents a growing trend of high-profile celebrities choosing partners who operate outside the entertainment industry. Her work as a dedicated online retailer and fashion curator provides a grounding contrast to the often-chaotic world of film. This dynamic allows Hill to maintain a degree of separation between his professional and personal life, a boundary he has fought hard to establish.

In conclusion, Olivia Millar is far more than just "Jonah Hill's partner." She is a successful fashion entrepreneur with a notable family background, a co-owner of a thriving e-commerce business, and now, a dedicated mother. Her decision to maintain a fiercely private life in the face of intense public scrutiny is her most powerful statement, positioning her as a quiet force who values authenticity and personal boundaries above celebrity fame.