The Untold Story Of Brittany Williams: Josh Allen's Ex-Girlfriend, The Breakup, And The 'CTE Athlete' Controversy

The six-year relationship between Buffalo Bills quarterback Josh Allen and his longtime girlfriend, Brittany Williams, came to a quiet end in 2023, but the drama surrounding their split resurfaced dramatically with recent news of Allen's marriage to actress Hailee Steinfeld. As of today, December 10, 2025, the focus has shifted from their childhood sweetheart romance to a controversial social media comment that sparked rumors of a bitter reaction to the NFL star moving on.

The breakup of one of the NFL's most high-profile couples left many fans stunned, particularly given their history as childhood sweethearts. Williams, a successful entrepreneur and social media influencer in her own right, was a constant fixture in Allen’s life from his college days at Wyoming to his rise as a franchise quarterback for the Buffalo Bills. Her life post-split, however, has been punctuated by an alleged Instagram hack that brought their private affairs into the public eye.

Brittany Williams: A Comprehensive Profile and Biography

Brittany Morgan Williams is more than just the ex-girlfriend of a star NFL player; she is a California native who has built a brand around health, wellness, and fitness. Her relationship with Josh Allen spanned over half a decade, beginning long before he was a first-round draft pick. The two first met as children in their hometown of Firebaugh, California, eventually turning their friendship into a long-term romance.

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• Full Name: Brittany Morgan Williams
• Place of Birth: California, United States
• Hometown: Firebaugh, California
• Education: Attended California State University, Fresno (Fresno State University), where she was a member of the cheerleading squad. She studied business and social sciences.
• Profession: Certified Pilates Instructor, Entrepreneur, and Social Media Influencer.
• Business Venture: Founder and owner of the online workout platform Pilates by Britt.
• Relationship with Josh Allen: Dated from approximately 2015/2017 to early 2023. They were childhood sweethearts.

The Six-Year Romance: From Childhood Sweethearts to NFL Power Couple

The foundation of the relationship between Brittany Williams and Josh Allen was a deep, shared history. They grew up together in Firebaugh, a small farming community, and their bond was often described as one of the most enduring in professional sports. Their relationship survived the challenges of long-distance dating, Allen’s college career at Wyoming, and the intense scrutiny that comes with being an NFL star.

Williams was a staunch supporter of Allen throughout his career. She was often seen at Buffalo Bills games, cheering on the quarterback and sharing their life together on social media. Her presence in his life offered a sense of normalcy and grounding as his professional fame exploded. The couple's journey was a favorite narrative for NFL fans, who admired their stability and longevity in a world of fleeting celebrity relationships.

The first signs of trouble emerged quietly in early 2023 when Williams stopped appearing at Bills games and the couple ceased posting photos of each other. By the spring of 2023, the long-term couple had reportedly split, marking the end of their six-year relationship. Neither Allen nor Williams made a public statement about the separation, choosing instead to move on privately.

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Just a few months later, in May 2023, Josh Allen was linked to actress and singer Hailee Steinfeld, quickly moving into a new high-profile relationship. This rapid transition from a long-term, childhood-rooted relationship to a new romance with a Hollywood star became a major talking point among fans and the media, setting the stage for the later controversy.

The 'CTE Athlete' Comment and Hacking Controversy

The true drama unfolded in late 2024 and early 2025. Following Josh Allen's engagement to Hailee Steinfeld in November 2024 and their subsequent wedding in May 2025, public interest in Brittany Williams' reaction spiked.

The controversy reached a fever pitch when a derogatory comment about the Buffalo Bills quarterback was made from Williams’ verified Instagram account. The comment, which quickly went viral, referred to Allen as a "brain dead CTE athlete." The term "CTE" (Chronic Traumatic Encephalopathy) refers to a degenerative brain condition often linked to repeated head injuries in contact sports like football, making the comment a particularly nasty and sensitive shot at the NFL star.

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The comment, which appeared on a social media post discussing Allen's new relationship status, immediately ignited speculation about Williams' true feelings regarding the split. Fans debated whether this was a genuine, albeit harsh, reaction from a scorned ex-girlfriend or a malicious act by an external party.

Brittany Williams swiftly responded to the firestorm by claiming her account had been compromised. She took to her Instagram Story to share that her accounts had been "hacked several times tonight" and that she was trying to resolve the issue. She maintained that the comment was not her own, attempting to distance herself from the damaging and career-threatening statement.

Despite Williams' denial and her claim of a hack, the incident left a lasting impression. It highlighted the intense emotional fallout of the high-profile breakup and the challenges of navigating a private life under the relentless glare of the public spotlight. The controversy remains a significant, albeit disputed, footnote in the dating history of the Buffalo Bills quarterback.

Life After Allen: Brittany Williams’ Focus on Business and Wellness

In the wake of the breakup and the subsequent social media drama, Brittany Williams has channeled her energy into her professional life. She has successfully grown her fitness brand, Pilates by Britt. The online platform offers workout sessions and lifestyle content, solidifying her position as a wellness entrepreneur and influencer.

Williams’ social media presence, while occasionally controversial due to the hacking incident, primarily focuses on fashion, travel, and her fitness routines. She has continued to build her personal brand, independent of her former relationship with the NFL star. Her resilience and commitment to her business ventures demonstrate a clear effort to move forward and establish her identity beyond the shadow of her ex-boyfriend's fame.

While Josh Allen has moved on and is now married to Hailee Steinfeld, Brittany Williams’ story serves as a compelling example of a long-term partner navigating a public breakup with a major sports figure. Her journey—from childhood sweetheart and supportive girlfriend to independent entrepreneur entangled in a social media controversy—continues to capture the interest of fans following the personal lives of the Buffalo Bills' star quarterback. The narrative of her life post-Allen is one of rebuilding and professional focus, despite the lingering speculation surrounding the controversial comments.