She appeared on season five of the TLC series, following Tammy’s release from a weight loss rehab center, and quickly became a fan favorite for her warm personality and close bond with the sisters.

Earlier this year, Katie was diagnosed with stage four gastric adenocarcinoma, a rare and aggressive form of stomach cancer. She underwent chemotherapy in the months that followed, but sadly, she died on Monday, August 25, at Linda White Hospice House in Evansville, Indiana.

On Tuesday, her cousin Amanda Halterman — who is also Amy and Tammy’s sister — shared the heartbreaking news on Instagram. Posting a photo of herself with Katie, Amanda wrote:

“It is with a completely crushed heart and spirit that I have to post this. My little cousin went to sit at the feet of Jesus yesterday. She was a force to