Fitness influencer Stephanie Buttermore tragically died in March 2026 at the age of 36. “It is with profound sorrow that we share the sudden passing of Jeff’s fiancée and partner of 10 years, Stephanie,” a social media statement from a spokesperson for Buttermore’s fiancé, Jeff Nippard, read. “As many of you know, Stephanie meant the world to Jeff.” The statement continued, “She will be remembered for her warmth and compassion, her love for her family and her Ph.D research on ovarian cancer. We kindly ask for privacy as we navigate this tragic loss. Thank you for your understanding and support...

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