The Biles Family Secret: 5 Facts About Simone Biles' 'Twin Sister' Adria Biles
The persistent rumor about Olympic legend Simone Biles having a twin sister is one of the most common questions fans ask about her personal life. The simple answer is no—Simone Biles does not have an identical or fraternal twin sister. However, the confusion is entirely understandable, as her younger sister, Adria Biles, is a near-perfect lookalike who is constantly mistaken for the world-famous gymnast.
As of late December 2025, the bond between Simone and her sister Adria remains incredibly strong, with their striking resemblance often highlighted in their shared social media posts. This article dives deep into the identity of the sister who is frequently called Simone’s "twin," exploring her own life, her relationship with the Olympic champion, and the unique family history they share.
Adria Biles: Biography and Key Facts (The 'Twin' Lookalike)
Adria Biles is the younger sister of Simone Biles and the individual most often mistaken for the gymnastics superstar's twin. While they are not twins, their physical similarities and close relationship have made Adria a public figure in her own right. She has forged her own path while remaining a pillar of support for her famous sibling.
- Full Name: Adria Biles
- Relationship to Simone: Younger Sister (Biological)
- Age: She is approximately two years younger than Simone Biles (born March 14, 1997).
- Early Life: Like Simone, Adria was placed in foster care at a young age before being adopted by her paternal grandparents, Ronald and Nellie Biles, who she considers her parents.
- Athletic Background: Adria is an athlete herself. She grew up competing in gymnastics, following in her older sister's footsteps, but later chose to step away from the sport.
- Current Status: She is a frequent fixture at Simone's major competitions, including the Olympics and World Championships, often appearing in the stands alongside their parents.
- Social Media Presence: Adria maintains a public profile and frequently shares photos with Simone, reinforcing the public perception of their "twin" status.
The Truth Behind the 'Twin Sister' Rumor
The "Simone Biles twin sister" query is one of the most popular searches about the Biles family, driven entirely by the striking physical resemblance between Simone and Adria.
The Lookalike Phenomenon
Simone and Adria share a remarkably similar facial structure, smile, and stature, leading fans and the media alike to do a double-take whenever they appear together. Their coordinated outfits and similar hairstyles in public appearances and Instagram posts further fuel the twin misconception. Adria has acknowledged the confusion, stating that she is constantly asked about it, but she always confirms that she is simply the younger sister.
A Small Age Gap, Not a Twin Birth
While they look like they could have been born minutes apart, there is a small, but significant, age difference. Simone Biles was born in March 1997, and Adria Biles was born a couple of years later. This age gap means they are not twins, but their close proximity in age contributed to them being raised almost like twins, sharing many childhood experiences and a deeply intertwined bond.
A Shared Passion for Gymnastics
The sisters' connection was strengthened by their shared history in the sport of gymnastics. Adria competed in the sport for years, which meant they spent countless hours together training, traveling, and supporting each other through the demanding world of elite athletics. While Adria eventually stopped competing, that shared foundation created an unbreakable sisterly bond that goes beyond just physical looks.
The Biles Siblings: A Close-Knit, Complex Family History
To fully understand Simone and Adria's relationship, one must look at the larger, complex Biles family unit. Simone Biles has a total of five siblings, though the family structure is defined by a unique adoption story that brought them all together under the care of Ronald and Nellie Biles.
The Four Biological Siblings
Simone and Adria are two of four biological siblings—all children of their biological mother, Sharon Biles—who were placed in foster care due to their mother's struggles with substance abuse. The four biological siblings are:
- Tevin Biles-Thomas: Simone's older biological brother.
- Ashley Biles-Thomas: Simone's older biological sister.
- Simone Biles
- Adria Biles
The Adoption and Extended Family
In 2003, Simone, Adria, and their two older biological siblings (Tevin and Ashley) were adopted by their paternal grandparents, Ronald and Nellie Biles, after spending time in foster care. Ronald and Nellie Biles are the parents Simone and Adria know as their mother and father.
In addition to Simone's biological siblings, she also has two older brothers from Ronald Biles' previous marriage, completing the full list of siblings:
- Ronald Biles Jr.: Older brother.
- Adam Biles: Older brother.
This foster-care-to-adoption journey is central to the Biles family narrative and explains the incredibly tight-knit support system that has been crucial to Simone's success. The family dynamic is characterized by unwavering support, with Adria being one of Simone's most vocal cheerleaders, often calling her "the greatest of all time."
Adria’s Own Identity Beyond the Olympic Shadow
While Adria is intrinsically linked to her sister's fame, she has worked to establish her own identity. After stepping away from competitive gymnastics, she has focused on other endeavors. Her public image is that of a supportive sister, a fashion enthusiast, and a family-oriented individual.
The relationship between the sisters is a refreshing example of sibling support, especially in the high-pressure world of elite sports. Adria is a constant presence, celebrating Simone's record-breaking achievements, supporting her through mental health breaks, and defending her against critics. This mutual respect and deep love are what truly make them inseparable, far more than their physical likeness.
In summary, the next time you see a photo of Simone Biles with a woman who looks exactly like her, remember: that is not her twin, but her younger sister, Adria Biles. Their bond, forged through a shared childhood, a passion for gymnastics, and a unique family history, is one of the strongest and most heartwarming stories in the world of sports. The "twin sister" myth is simply a testament to the powerful, lookalike connection between two exceptional siblings.
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