Fitness Influencer Lizzie Kieffer’s 12-Month-Old Daughter Unexpectedly Dies

Physical therapist and fitness influencer Dr. Lizzie Kieffer has shared with her online community that her 12-month-old daughter Lily has passed away. On April 26, the Kansas City-based content creator posted a statement on Instagram that Lily died on Wednesday April 23. The family doesn’t know the exact cause of their daughter’s death, but they have learned that she had a large mass on her brain.