The Bieber Crew: A Complete Guide To Justin Bieber's 5 Siblings And Their Current Lives In 2025

Few global superstars have a family tree as complex and fascinating as Justin Bieber's. As of December 15, 2025, the pop icon is not only an older brother but also a new father, navigating a large, blended family unit that includes a half-brother, two half-sisters, and a step-sister, all stemming from his father, Jeremy Bieber's, subsequent relationships. While Justin was raised primarily by his mother, Pattie Mallette, his relationship with his younger siblings has been a consistent, heartwarming fixture in his life, often shared with fans through social media glimpses that highlight the close bond they share despite the age gaps and different parental homes.

The dynamic of the "Bieber Crew" has shifted dramatically in recent years, especially with Justin's marriage to Hailey Bieber and the arrival of their first child, Jack Blues Bieber, in August 2024. This new chapter means the pop star's younger siblings—Jazmyn, Jaxon, Bay, and Allie—have all officially become aunts and uncles. From aspiring musicians and social media influencers to young students, each sibling is carving out their own path while remaining connected to one of the world's most famous families. Understanding this modern family structure requires a look at the key individuals who make up Justin's supportive, extended circle.

The Complete Bieber Sibling Roster: Biography and Current Status (2025)

Justin Bieber (born March 1, 1994) has no full siblings, as his parents, Jeremy Bieber and Pattie Mallette, separated shortly after his birth. However, he has four younger siblings through his father's later relationships. He is also a new father himself, adding a new generation to the family.

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• Jazmyn "Jazzy" Bieber (Half-Sister)
  • Date of Birth: May 30, 2008
  • Age (as of 2025): 17
  • Parents: Jeremy Bieber and Erin Wagner (Jeremy's former partner)
  • Current Status: Jazmyn is an active social media personality and a budding content creator. She often shares glimpses of her life, including fashion, music, and family moments. She is the oldest of Justin's half-siblings and has a notably close relationship with him, often being seen spending time with Justin and his wife, Hailey. She is now an aunt to Jack Blues.
• Jaxon Bieber (Half-Brother)
  • Date of Birth: November 20, 2009
  • Age (as of 2025): 15
  • Parents: Jeremy Bieber and Erin Wagner
  • Current Status: Jaxon is a teenager who, like his older sister Jazmyn, is growing up in the public eye. He is known for his playful personality and his close bond with Justin. He frequently appears in family photos and is often seen with his father and stepmother, Chelsey. He is an uncle to his new nephew.
• Bay Bieber (Half-Sister)
  • Date of Birth: August 16, 2018
  • Age (as of 2025): 7
  • Parents: Jeremy Bieber and Chelsey Rebelo (Jeremy's current wife)
  • Current Status: Bay is the youngest of Justin's half-siblings. She is growing up with her parents, Jeremy and Chelsey, and her step-sister, Allie. Her birth was a major public event for the family, and she is often featured in her parents' and older siblings' posts.
• Allie Rebelo (Step-Sister)
  • Date of Birth: 2007 (Approximate)
  • Age (as of 2025): 18 (Approximate)
  • Parents: Chelsey Rebelo (Mother) and an undisclosed father.
  • Current Status: Allie is Jeremy Bieber’s stepdaughter through his marriage to Chelsey Rebelo. Although she is a step-sibling, she is fully integrated into the Bieber family unit, often travelling and celebrating holidays with them. She is a supportive older sister figure to Bay and a close friend to Jazmyn.
• Jack Blues Bieber (Nephew/Son)
  • Date of Birth: August 2024
  • Age (as of 2025): 1 year old (Approximate)
  • Parents: Justin Bieber and Hailey Bieber
  • Current Status: Jack is the newest and most exciting addition to the extended family. His birth marked Justin’s transition to fatherhood, making all of his younger siblings—Jazmyn, Jaxon, Bay, and Allie—aunts and uncles.

The Blended Family Dynamics: How Justin Navigates a Multi-Parent Household

The concept of a modern, blended family is central to the Bieber siblings' lives. Justin’s parents, Jeremy Bieber and Pattie Mallette, split when he was very young, leading to a family structure where Justin was raised primarily by his single mother while maintaining a relationship with his father, Jeremy. Jeremy went on to have two children, Jazmyn and Jaxon, with his long-term partner, Erin Wagner. After that relationship ended, Jeremy married Chelsey Rebelo, who brought her daughter, Allie, into the family and later gave birth to Bay.

This multi-parent dynamic means the siblings share a father but have different mothers, leading to a rich but sometimes complicated network of relationships. Pattie Mallette, Justin's mother, has maintained a respectful distance while focusing on her son and his career, but she has always been supportive of Justin's relationship with his half-siblings. The core connection for the younger siblings remains their father, Jeremy, who is frequently seen with all his children, fostering a sense of unity despite the different mothers.

The age difference between Justin and his half-siblings is significant—Jazmyn is 14 years his junior, and Bay is 24 years younger. This gap naturally positions Justin as a supportive, almost parental figure rather than just a peer. He has often spoken about his love for his younger siblings, emphasizing that they are a priority in his life. These relationships provide a sense of normalcy and grounding for the global superstar, offering him a retreat from the pressures of the music industry.

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Jazmyn, Jaxon, and Allie: The Siblings Stepping Into the Spotlight

While Bay is still very young, the older half-siblings, Jazmyn and Jaxon, and step-sister Allie, are increasingly becoming public figures in their own right, largely due to their connection to Justin. They are part of a new generation of celebrity siblings who utilize social media platforms like Instagram and TikTok to build their own following.

Jazmyn Bieber: The Aspiring Influencer

Jazmyn, now a teenager, is the most active online. She has built a substantial following by sharing content that resonates with her age group, including fashion hauls, makeup tutorials, and snippets of her daily life. Her public presence is carefully managed, often showcasing her close relationship with her half-brother Justin and his wife, Hailey. She is often seen at family events and sometimes travels with Justin, giving her followers a rare, personal look at the Bieber family's private moments. This exposure has positioned her as a young influencer with significant potential.

Jaxon Bieber: The Quiet Teen

Jaxon, while also present on social media, maintains a slightly lower profile than his sister. His posts often feature sports, outdoor activities, and time spent with his friends and family. As he enters his mid-teens, he is navigating the typical challenges of growing up while being constantly linked to one of the world's most famous people. Justin has often shared sweet moments with Jaxon, highlighting their shared interests and providing a supportive male role model for his younger brother.

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Allie Rebelo: The Integrated Step-Sister

Allie's role as a step-sister is a testament to the family's successful blending. She is a constant presence in the lives of her step-siblings and is often featured in family portraits alongside Jeremy, Chelsey, Bay, Jazmyn, and Jaxon. Her seamless integration into the family highlights the supportive environment created by Jeremy and Chelsey Rebelo Bieber. Her relationship with Jazmyn, in particular, often appears more like that of close friends or full sisters, demonstrating the strength of their bond beyond biological ties.

The Latest Family Milestone: Justin Bieber as a Father and the New Generation

The most significant and recent development in the Bieber family is the birth of Justin and Hailey's first child, a son named Jack Blues Bieber, in August 2024. This event has fundamentally shifted the family dynamic. Justin is no longer just the big brother; he is now a father, and his half-siblings are now officially a new generation of aunts and uncles.

The arrival of Jack Blues has been a source of immense joy for the entire extended family, including Pattie Mallette, who is now a grandmother, and Jeremy Bieber, who is a grandfather for the first time. The younger siblings, Jazmyn and Jaxon, have expressed their excitement about their new nephew, often commenting on their parents' and Justin's social media posts. This new baby solidifies the family's future, creating a new, strong connection point for all the siblings and their respective parents. The "Bieber Crew" continues to grow and evolve, proving that family bonds can be strong and enduring, regardless of how complex the structure may appear from the outside.