The Two Secret Children: Everything We Know About Scarlett Johansson’s Kids, Rose And Cosmo, In 2025

The curiosity surrounding Scarlett Johansson’s private life, especially her family, is always high, given her status as one of Hollywood’s most private A-list stars. For fans seeking the most current information in December 2025, the answer is a resounding yes: the actress is a proud mother of two children, a daughter and a son, from two of her three marriages. The Oscar-nominated star has consistently balanced her blockbuster career with a fiercely protected home life, only offering rare, candid glimpses into her world of motherhood.

The two children who share her life are her daughter, Rose Dorothy Dauriac, and her son, Cosmo Jost. While the names Rose and Cosmo are well-known, the details of their personalities, the unique origins of their names, and the dynamic of their blended family with husband Colin Jost are often kept under wraps. This article provides a deep dive into the most recent, confirmed details about the actress's two children and her journey as a mother in 2025.

Scarlett Johansson: A Brief Biography and Relationship History

To fully understand the context of her family life, it’s essential to look at the professional and personal journey of the woman behind the Black Widow suit.

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• Full Name: Scarlett Ingrid Johansson
• Born: November 22, 1984, in New York City, U.S.
• Current Age (December 2025): 41 years old
• Key Career Highlights: Widely regarded as one of the world's highest-paid actresses, her iconic roles include Charlotte in Lost in Translation, Griet in Girl with a Pearl Earring, and Natasha Romanoff / Black Widow in the Marvel Cinematic Universe (MCU) films. She is a two-time Academy Award nominee.
• Relationship History:
  • First Marriage: To actor Ryan Reynolds (2008–2011).
  • Second Marriage: To French journalist and art dealer Romain Dauriac (2014–2017). They welcomed their daughter, Rose Dorothy, during this marriage.
  • Third Marriage (Current): To Saturday Night Live (SNL) head writer and "Weekend Update" co-host Colin Jost (married 2020–present). They welcomed their son, Cosmo, together.

The Two Children: Rose Dorothy Dauriac and Cosmo Jost

Scarlett Johansson’s two children are separated by seven years and have different fathers, creating a modern, blended family structure. Both children's names carry personal significance.

1. Rose Dorothy Dauriac: The Firstborn

Rose Dorothy is Scarlett Johansson’s first child, whom she shares with her second ex-husband, Romain Dauriac, a French creative agency executive.

• Birth Date: August 30, 2014
• Current Age (December 2025): 11 years old
• Father: Romain Dauriac
• Name Origin: The middle name, Dorothy, is a deeply personal tribute. Scarlett chose it in honor of her maternal grandmother, who she was very close to. The name Dorothy itself is of Greek origin, meaning “gift of God.”
• Blended Family Life: Rose has grown up with two high-profile parents and a stepfather, Colin Jost. Jost has spoken candidly about the experience of becoming a stepfather, noting the learning curve involved in navigating family life with an older child.

2. Cosmo Jost: The Newest Addition

Cosmo is Scarlett Johansson's second child and first with her current husband, comedian Colin Jost. His arrival was announced quietly in August 2021, a reflection of the couple's preference for privacy.

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• Birth Date: August 18, 2021
• Current Age (December 2025): 4 years old
• Father: Colin Jost
• Name Origin: The name Cosmo is of Greek and Italian origin, meaning “order, organization, and beauty.” The story behind the name is a famous anecdote: Scarlett revealed that Colin Jost's mother was initially hesitant about the name, suggesting alternatives because she thought it sounded like a character from Seinfeld. However, the name stuck, and it has been a source of lighthearted family jokes ever since.

Candid Quotes and Insights into Scarlett's Motherhood Journey

Unlike many celebrities who document their parenting adventures on social media, Scarlett Johansson and Colin Jost are intensely private. However, in rare interviews, the actress has offered humorous and surprisingly relatable insights into the reality of raising young children.

The Reality of Parenting: ‘Emotionally Abusive’ and ‘Terrible Threes’

Scarlett Johansson has been refreshingly honest about the challenging aspects of motherhood, often using humor to describe the intensity of raising a toddler. She once jokingly referred to raising a three-year-old as being in an “emotionally abusive relationship,” clarifying that the child is "sweet, but also a maniac" and that the experience is “really tough.” She has also mentioned the physical demands of small children, joking that the "Terrible Twos" felt more like the child was "actually physically tackling" her.

These quotes highlight a key theme in her public commentary: the struggle to balance the immense love for her children with the exhausting, non-stop demands of parenting. She has publicly thanked her "wonderful babysitters" for helping her and Colin Jost balance their demanding careers with their family life, emphasizing that they "couldn't do it without help."

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Colin Jost’s Role as a Father and Stepfather

Colin Jost, a first-time biological father with Cosmo, has also spoken about the joys and adjustments of his new role. He has shared that he loves spending time with his son and that the experience of becoming a dad has been life-changing.

Furthermore, Jost has addressed his role as a stepfather to Rose, noting the unique dynamic of a blended family. He has described Rose as a "sweet girl" and has been open about the process of bonding and building a relationship with her as she grows older. This public acknowledgment of the complexities of a blended family adds a layer of topical authority to the discussion of her family life, showing a commitment from both parents to a cohesive and loving home environment for both children.

Topical Entities and LSI Keywords: The World of Scarlett Johansson’s Family

The discussion around Scarlett Johansson's children naturally touches upon several related topics and entities that provide a complete picture of her life:

• The Marvel-Comedy Crossover: The unique pairing of an MCU superstar (Scarlett Johansson) and an SNL head writer (Colin Jost) has created a high-profile, yet guarded, family unit.
• Parenting in the Spotlight: Her comments on the "Terrible Threes" and the need for a strong support system (babysitters) resonate with the general discussion of celebrity motherhood and the challenges of balancing fame with private life.
• Blended Family Dynamics: The relationship between Colin Jost and Rose Dorothy Dauriac is a key entity, representing the modern celebrity blended family, a topic often explored in parenting media.
• The Naming Process: The humorous anecdote about the name Cosmo and the sentimental meaning of Dorothy (a family name) are popular LSI keywords that satisfy user curiosity about the children’s identities.
• Ex-Husband Romain Dauriac: As the father of Rose, his ongoing co-parenting relationship with Scarlett Johansson is an important entity in the overall family structure.

In conclusion, as of late 2025, Scarlett Johansson is a devoted mother to two children, Rose Dorothy (11) and Cosmo (4). While she remains intensely private, the rare, humorous, and candid comments she and Colin Jost share confirm that their life is a relatable mix of blockbuster fame, toddler tantrums, and the deep, enduring love of a growing, modern family.