The Private Lives Of Scarlett Johansson's Two Children: Rose And Cosmo's Untold Story

Scarlett Johansson, one of Hollywood’s most private and successful stars, has masterfully balanced a blockbuster acting career with a deeply guarded family life. As of December 2025, the Oscar-nominated actress is a proud mother of two children: her daughter, Rose Dorothy, from her second marriage, and her son, Cosmo, with her current husband, Colin Jost. Her approach to motherhood is refreshingly candid, offering rare glimpses into the chaotic, yet fiercely protected, world of celebrity parenting, far removed from her superhero persona.

The actress, known globally as the Black Widow, has been vocal about the intense emotional demands of raising young children, particularly a toddler, while simultaneously managing her acting roles and her burgeoning entrepreneurial venture, The Outset. This deep dive explores the current details of her children's lives, the fathers who co-parent with her, and the surprising, relatable truths she has shared about her life as a working mom in the public eye.

Scarlett Johansson: A Brief Biography and Family Profile

Scarlett Johansson’s journey from a child actress to one of the world's highest-paid stars is marked by critical acclaim and a deliberate effort to maintain privacy, especially concerning her family.

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• Full Name: Scarlett Ingrid Johansson
• Born: November 22, 1984
• Birthplace: Manhattan, New York City, New York
• Age (as of Dec 2025): 41
• Siblings: Vanessa Johansson (Sister), Hunter Johansson (Twin Brother), Adrian Johansson, Christian Johansson
• Spouses:
  • Ryan Reynolds (m. 2008; div. 2011)
  • Romain Dauriac (m. 2014; div. 2017)
  • Colin Jost (m. 2020; present)
• Key Career Milestones: Starred in Lost in Translation, Vicky Cristina Barcelona, and the Marvel Cinematic Universe as Black Widow. She is a two-time Academy Award nominee.
• Entrepreneurial Venture: Co-founder of The Outset, a clean skincare brand launched in 2022.

Meet Rose Dorothy Dauriac: The Firstborn

Rose Dorothy Dauriac is Scarlett Johansson's first child, born during her marriage to French journalist and art consultant Romain Dauriac. Her life is a testament to her mother's commitment to keeping her children out of the relentless Hollywood spotlight.

Rose’s Age, Father, and Current Life

Rose Dorothy was born on August 30, 2014, making her 11 years old as of December 2025. Her father is Romain Dauriac, whom Johansson was married to from 2014 to 2017. Despite their divorce, the two maintain a stable co-parenting relationship for their daughter.

Johansson has shared sweet anecdotes about Rose's perspective on her career. When asked what her mom does for a living, Rose famously replied, "Mommy's a superhero," a nod to her iconic role as Natasha Romanoff, the Black Widow, in the Avengers franchise.

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The Fierce Stance on Privacy

Rose is the primary reason Johansson is so protective of her family's private life. The actress has been a vocal advocate against the paparazzi and the use of social media for her children.

This commitment to privacy was highlighted when Rose expressed an interest in making videos for The Outset, her mother’s skincare brand. Johansson firmly, yet lovingly, denied the request. She explained that she wants her children to have a normal childhood, free from the constant scrutiny of a public platform, a choice she made for their mental well-being and security.

Cosmo Jost: The Joy of a New Chapter

Scarlett Johansson’s second child, Cosmo Jost, was born in August 2021, marking the beginning of her family life with her third husband, Saturday Night Live head writer and comedian, Colin Jost.

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Cosmo’s Name and Father

Cosmo Jost, who turned 4 years old in August 2025, has a name that sparked some family discussion. Colin Jost’s mother was initially hesitant about the name, but it stuck. Johansson has mentioned that the name Cosmo is a sweet and old-fashioned name that she and Colin both loved.

Colin Jost has fully embraced his roles as a father to Cosmo and a stepfather to Rose. He has publicly praised Johansson, stating that a major reason he fell in love with her was seeing what a "great mom" she is. He has been a consistent figure in Rose's life since she was two years old, creating a blended family dynamic.

The Candid Truths of Scarlett’s Parenting Style

Unlike many celebrities who paint a perfect picture of motherhood, Johansson has offered a refreshing, unvarnished view of the daily struggles of raising young children. Her quotes on the matter have resonated with working parents everywhere.

The "Emotionally Abusive" Toddler Stage

In a widely shared interview, Johansson candidly described the experience of parenting a toddler as being in an "emotionally abusive relationship." She explained that this was due to the "very intense emotional swings" and the "bossy and adamant" nature of a child in that developmental stage.

She clarified that while the relationship is filled with love, the constant emotional drain and the need to manage a small child's volatile feelings can be exhausting. This honesty provided a sense of solidarity for mothers dealing with similar challenges, highlighting the reality of intense motherhood.

The Importance of Routine and Self-Care

As a high-profile working mom, Johansson relies heavily on structure. She has stated that her children, especially at their young ages, "thrive on a routine."

To maintain this routine, she and Colin Jost employ two babysitters, a necessary support system that allows her to balance her demanding film schedule, her duties as an entrepreneur with The Outset, and her desire to be present for her family. She also emphasizes the importance of self-care, noting that finding moments for herself is crucial for her mental health, which in turn makes her a better mother.

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Scarlett Johansson’s life as a mother intertwines with her professional identity, making her a powerful figure in the discussion of celebrity parenting and the working mom struggle. Her commitment to co-parenting with Romain Dauriac and her strong partnership with Colin Jost demonstrate a modern blended family dynamic. The entities surrounding her family—from her siblings Vanessa Johansson and Hunter Johansson to her professional roles in the Marvel Cinematic Universe and her business venture, The Outset—all contribute to the narrative of a woman successfully navigating a complex, demanding life while fiercely protecting the private life and well-being of her children, Rose Dorothy and Cosmo Jost.