Teddi Mellencamp thanks father John Mellencamp amid cancer at iHeartRadio Awards.

Teddi Mellencamp presented the Icon Award to her father, John Mellencamp, at the iHeartRadio Music Awards and thanked him for his support during her cancer treatment. She said she still has stage 4 melanoma and is undergoing immunotherapy, which she reported is working.

Teddi Mellencamp returned to the iHeartRadio Music Awards on March 26 to present the Icon Award to her father, John Mellencamp. She used her remarks to thank him for supporting her through her ongoing cancer treatment and referenced his song "Longest Days" when describing that period. On the red carpet, she confirmed to Variety that she still has stage 4 melanoma and said she is receiving immunotherapy. Her public appearances have followed earlier updates from her and close contacts about her diagnosis and treatment timeline. Key points: - Mellencamp presented the Icon Award to John Mellencamp at the Dolby Theater in Los Angeles and publicly thanked him for his role in her care. - She referenced the song "Longest Days" and said her father took action during her hospital stay that she described as life-changing. - On the red carpet she told Variety she still has stage 4 melanoma and is in the middle of immunotherapy, which she reported is working. - Public reporting notes her initial diagnosis in 2022 and that the cancer had been described as having spread by 2025; she has also shared periods when scans showed no detectable cancer while remaining on treatment. Summary: Teddi Mellencamp's appearance emphasized family support as she continues cancer treatment and public updates. She reports ongoing immunotherapy for stage 4 melanoma and that treatment is progressing; broader clinical outcomes were not detailed. Undetermined at this time.