5 Surprising Facts About Olivia Millar: The Private Life Of Jonah Hill's Girlfriend And Baby's Mother

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The landscape of celebrity relationships is constantly shifting, but as of late 2024 and heading into 2025, one couple has managed to keep their family life remarkably private: Oscar-nominated actor and filmmaker Jonah Hill and his partner, Olivia Millar. The biggest update in the couple’s world is the quiet arrival of their first child, a major life milestone that solidified their intensely private commitment to one another.

This article dives deep into the identity of the woman who captured the heart of the Superbad star, exploring her background, her career in the fashion world, and how their shared desire for privacy shapes their life as new parents. The public first saw them together in August 2022, and their relationship has since been defined by discretion, a clear reflection of Hill’s recent public focus on prioritizing his mental health and setting boundaries against media scrutiny.

The Complete Profile: Jonah Hill and Olivia Millar

To fully understand the context of their relationship, it is essential to look at the professional and personal histories of both individuals. Jonah Hill, in particular, has undergone a significant public evolution, moving from a comedic powerhouse to an acclaimed filmmaker and a vocal advocate for mental health awareness.

Jonah Hill Feldstein: Biography and Career Highlights

  • Full Name: Jonah Hill Feldstein
  • Date of Birth: December 20, 1983
  • Place of Birth: Los Angeles, California, U.S.
  • Occupations: Actor, Comedian, Filmmaker, Writer.
  • Notable Family: Younger sister is actress Beanie Feldstein.
  • Key Filmography (Actor): Superbad (2007), Moneyball (2011), 21 Jump Street (2012), The Wolf of Wall Street (2013), Don't Look Up (2021).
  • Key Filmography (Director/Writer): Mid90s (2018), Stutz (2022).
  • Awards: Two Academy Award nominations (for Moneyball and The Wolf of Wall Street).
  • Public Stance: Has publicly discussed his struggles with anxiety and mental health, leading to his decision not to promote some of his films, including the documentary Stutz.

Olivia Millar: The Fashion Entrepreneur

  • Occupation: Entrepreneur, Co-owner of an online vintage clothing store.
  • Business: Co-owns the vintage shop Chasseresse with her older sister.
  • Family Connection: She is the daughter of former top model Esmé Marshall.
  • Relationship Timeline: First publicly linked with Jonah Hill in August 2022.
  • Parental Status: Welcomed her first child with Jonah Hill in May 2023.

The Relationship Timeline: From Malibu to Parenthood

The connection between Jonah Hill and Olivia Millar is a testament to the power of keeping a relationship out of the relentless glare of the Hollywood spotlight. Their romance was revealed to the public not through a red carpet debut or a social media announcement, but through paparazzi photographs.

The couple first sparked romance rumors in August 2022 when they were spotted sharing a kiss on a beach in Malibu. This sighting was quickly followed by another public appearance in Santa Barbara in September of the same year, confirming that the two were an item.

What followed was a period of intense privacy. Unlike many celebrity couples who use social media to document their milestones, Hill and Millar maintained a low profile, keeping their relationship intensely guarded. This privacy extended to their biggest news: the pregnancy. Millar’s pregnancy was confirmed in early 2023 when she was photographed with a visible baby bump while wearing a rumored engagement ring, though neither the engagement nor the pregnancy were ever officially announced by the couple.

In May 2023, representatives for the actor confirmed that Hill and Millar had welcomed their first child together. This joyous news came shortly after Hill missed his sister Beanie Feldstein’s wedding, highlighting his commitment to his growing family and his preference for personal time over public events.

The Entity of Privacy: Jonah Hill’s Boundary Setting

The highly guarded nature of Jonah Hill’s relationship with Olivia Millar is not accidental; it is a direct extension of the actor's recent public commitment to his mental health. In a widely discussed 2022 statement, Hill announced that he would no longer be promoting his films—including his acclaimed documentary on therapy, Stutz—due to his ongoing struggle with anxiety attacks, which are exacerbated by media appearances.

This decision marked a significant shift in his career, prioritizing his well-being over the traditional demands of Hollywood. By choosing a partner, Olivia Millar, who is also outside the immediate glare of the acting world and who values privacy (as evidenced by her behind-the-scenes role in the fashion industry), Hill has created a sanctuary for his personal life. This intense focus on boundaries and mental health is a key theme in his life today, influencing everything from his career choices to his choice of partner and how they raise their child.

The relationship with Millar stands in stark contrast to the public scrutiny that followed his previous relationship with surfer and environmental activist Sarah Brady. The public fallout from that relationship, which involved Brady sharing private texts and making accusations of emotional abuse, further reinforced Hill’s need for a private and secure personal life. Olivia Millar represents a new, quieter chapter centered on family and peace.

A Look Back: Jonah Hill’s Notable Relationships

Before his current, highly private relationship with Olivia Millar, Jonah Hill's dating history included several high-profile and long-term commitments. These past relationships provide context for his current desire for a low-key family life.

One of his most significant past relationships was with Gianna Santos. The pair began dating in 2018, became engaged in September 2019, and ultimately called off their engagement in late 2020.

Following his engagement to Santos, Hill dated Sarah Brady from 2021 to early 2022. This relationship was notably more public on social media, with the two often posting photos together, often centered around their shared interest in surfing and bohemian aesthetics.

Other notable entities in his dating history, which span over a decade, include:

  • Sarah Brady (2021-2022)
  • Gianna Santos (2018-2020, engaged)
  • Erin Galpern (2017-2018)
  • Brooke Glazer (2014-2015)
  • Isabelle McNally (2013-2014)
  • Rita Ora (briefly in 2012)
  • Ali Hoffman (daughter of Dustin Hoffman)
  • Jordan Klein

The evolution of his relationships, culminating in the deliberately private family unit he has built with Olivia Millar, highlights a man who has found stability and peace away from the cameras. As of 2025, Jonah Hill’s focus is clearly on fatherhood, his mental health, and maintaining the sanctuary of his family life with Olivia Millar, making them one of Hollywood’s most intriguing and private couples.

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