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Claire Rehfuss Slams Stalker Amid Cheating Claims
2 Feb
Summary
- Claire Rehfuss addressed rumors claiming ex Derek Xiao cheated.
- She called out a persistent online stalker for harassment.
- Rehfuss and Xiao announced their breakup in September 2025.

Claire Rehfuss, a former housemate from Big Brother, has directly refuted allegations that her ex-partner, Derek Xiao, was unfaithful. Rehfuss, 29, posted a screenshot on X on Sunday, February 1, responding to a fan comment about supposed cheating with a coworker.
She clarified that "Derek didn't cheat" and identified the source of the rumors as a persistent online account that has engaged in racist behavior and made threats. Rehfuss urged the public to ignore this "pathetic stalker."
Rehfuss and Xiao, 28, who also competed on The Amazing Race together, announced their breakup in September 2025, stating they had grown into different people. They met on Big Brother, developing a bond that turned romantic after their elimination.
Following their separation, Rehfuss took a step back from social media, later sharing updates about starting new hobbies and moving into a new apartment in late 2025.




