
Popular fitness influencer Dr. Stephanie Buttermore has died, her fiancé, YouTube star Jeff Nippard, announced Friday. She was 36 years old.
Nippard’s team shared the news of Buttermore’s death in a statement posted to Instagram, which read: “It is with profound sorrow that we share the sudden passing of Jeff’s fiancée and partner of ten years, Stephanie. As many of you know, Stephanie meant the world to Jeff.