“Yesterday the pain was unbearable and required hospitalization,” shewrote Wednesday on Instagram.

Mellencamp explained that two tumors would be removed Wednesday, while the rest will be treated later with radiation.

A representative for Mellencamp declined to comment further.

Teddi Mellencamp Arroyave

Teddi Mellencamp Arroyave.Paul Archuleta/Getty

“Can I have your old extensions, Ted?”

She joked back, “No I already gave those out, sorry.”

One otherstoryposted to her page Wednesday showed a friend shaving Mellencamp’s head.

Teddi Mellencamp in the hospital

Teddi Mellencamp on Instagram in 2025.Teddi Mellencamp/Instagram

“Did not have this look on my bucket list.

My best look!”

Mellencamp shares three children with Arroyave: Slate, 12; Cruz, 10; and Dove, 4.

The couple had been married for 13 years when Mellencamp announced in November that they werefiling for divorce.

It’s a hard day but I have faith and amazing surgeons and know everything will be okay."

“I love you my friend.”