7 Surprising Facts About Knox Jolie-Pitt: Is Angelina Jolie’s Youngest Son Really A Boy?

The question of "Is Knox Jolie-Pitt a boy?" is one of the most frequently searched queries about the Jolie-Pitt children, a testament to the intense global curiosity surrounding the private lives of Hollywood royalty. As of the current date, December 11, 2025, the answer is a definitive yes: Knox Léon Jolie-Pitt is the youngest son of Angelina Jolie and Brad Pitt, a fraternal twin who has recently stepped into the spotlight with a bold, new, and increasingly independent persona. This article dives into the facts, dispelling any confusion and providing the freshest, most up-to-date details on the now 17-year-old.

Born into one of the world's most famous families, Knox has spent most of his life shielded from the public eye. However, recent months have seen him make rare public appearances alongside his mother, Angelina Jolie, revealing a striking style transformation that has captured the attention of fans and media alike, further fueling the interest in his identity and life.

Knox Léon Jolie-Pitt: Complete Biographical Profile

Knox Léon Jolie-Pitt is one of the six children of former power couple Angelina Jolie and Brad Pitt, instantly making him a figure of international fascination. While his life is largely kept private, here are the essential details about the youngest son of the famous pair:

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• Full Name: Knox Léon Jolie-Pitt
• Gender: Male (Son)
• Date of Birth: July 12, 2008
• Current Age (as of Dec 2025): 17 years old
• Place of Birth: Nice, France
• Parents: Angelina Jolie and Brad Pitt
• Twin Sibling: Vivienne Marcheline Jolie-Pitt (Fraternal Twin Sister)
• Siblings: Maddox (24), Pax (21), Zahara (20), Shiloh (19), and Vivienne (17)
• Name Origin: His first name, Knox, is a tribute to Brad Pitt's paternal grandfather, Hal Knox Hillhouse. His middle name, Léon, is a common French name.
• Notable Work: He provided a voice role in the 2016 animated film Kung Fu Panda 3.

The Definitive Answer: Is Knox Jolie-Pitt a Boy?

The straightforward answer to the core question is unequivocally yes: Knox Jolie-Pitt is a boy. He is the youngest biological son of Angelina Jolie and Brad Pitt. The confusion or curiosity often stems from a few key factors that surround his public image and family dynamics.

The Twin Factor: Knox and Vivienne

Knox was born alongside his fraternal twin, Vivienne Marcheline, on July 12, 2008. They are not identical, and while they share a birthday, they have distinct personalities and public presences. Vivienne, his twin sister, is known for her recent work assisting her mother on the production of the Broadway musical The Outsiders, demonstrating a clear interest in theater.

The 'New Look' Transformation

In late 2024 and throughout 2025, Knox has made headlines for his noticeable style transformation, a common rite of passage for teenagers asserting their individuality. He has been seen sporting bold hair colors, including bright pink and light purple, along with edgy, oversized clothing and glasses. This shift in appearance, which is simply a sign of teenage expression, has sometimes led to speculation among those unfamiliar with his background, but it does not change the fact that he is Angelina Jolie and Brad Pitt’s son.

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Knox’s Emerging Interests and Recent Public Life (2025 Update)

The Jolie-Pitt children are known for having diverse interests, and Knox is no exception. As he enters his late teenage years, his passions are becoming more evident, offering a rare glimpse into the life of the famously private young man.

Passion for Combat Sports: Muay Thai

One of Knox's most surprising and current interests is the martial art of Muay Thai. In a recent public sighting, he was seen with his mother supporting him at a Muay Thai match. Reports indicate he has been actively participating in the sport, even winning competitions, showcasing a dedication to physical discipline and competitive spirit that contrasts with his parents' acting careers. This interest in a demanding, high-energy sport is a significant and fresh update on his life in 2025.

Rare Red Carpet Appearances

Unlike some of his older siblings, Knox’s public appearances are extremely rare. However, he has begun to accompany his mother to select high-profile events. In late 2024, he attended the Governors Awards in Los Angeles, making a rare red carpet appearance alongside Angelina Jolie. These moments are highly scrutinized by the media, highlighting his rapid growth and evolving style, but they are few and far between, underscoring the family's effort to maintain his privacy.

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His presence at such events, particularly the Governors Awards, signifies a growing comfort with the public eye, even as he maintains a low profile compared to his celebrity parents.

The Jolie-Pitt Family Dynamics: A Look at the Six Siblings

Knox is part of a large, diverse, and internationally recognized family unit. The six Jolie-Pitt children—Maddox, Pax, Zahara, Shiloh, Knox, and Vivienne—have been raised with an emphasis on global awareness and independence. Their family dynamic is a major entity in the celebrity world, and Knox’s place within it is unique.

• The Youngest Pair: As one half of the youngest set of twins, Knox and Vivienne have shared a unique bond since birth. They are the only siblings who have been a constant pair throughout their lives.
• The Older Siblings: Knox has five older siblings, all of whom have begun to forge their own paths. Maddox is known for his university studies, Zahara is attending Spelman College, and Shiloh's own public journey has been a topic of global discussion. This large family structure means Knox has a multitude of influences and role models.
• A Stable Presence: Despite the highly publicized separation and ongoing legal matters between Angelina Jolie and Brad Pitt, Knox has consistently been seen spending time with his mother and siblings, maintaining a stable, albeit private, family life.

In conclusion, the answer to the question "is Knox Jolie-Pitt a boy" is confirmed by all biographical records and recent public evidence. He is the son of Angelina Jolie and Brad Pitt, and his recent life in 2025 is characterized by a bold personal style, a passion for Muay Thai, and the quiet journey of a teenager finding his own identity outside of his parents' immense shadow. The continued interest in his life is a reflection of his unique position as a child of two global icons.