Colleen Hoover has shared that she is currently undergoing cancer treatment, revealing the news directly to fans through social media as she continues to release new work.

The bestselling author posted an Instagram story showing herself in a hospital gown, writing that she was nearing the end of radiation treatment. She added a lighthearted note thanking her care team at Texas Oncology, while acknowledging the physical toll of treatment.

Hoover Shares Details About Her Cancer Journey

Colleen Hoover shared a story on Instagram thanking her team at Texas Oncology.

Hoover later expanded on her diagnosis in a personal Facebook post, explaining that genetic testing ruled out hereditary causes as well as two of the most common contributors linked to her type of cancer. She wrote that doctors believe environmental and lifestyle factors likely played a role.

In the post, published on her official Facebook page, Hoover addressed the challenges of making health changes following treatment, joking about her dislike for exercise and dietary adjustments while expressing gratitude for her recovery.

She has not publicly disclosed the specific type of cancer or when treatment began, and representatives for the author have not released additional medical details.

New Book Release Amid Ongoing Treatment

The announcement comes just as Hoover released her latest novel, Woman Down, which arrived in bookstores this week. The thriller follows a novelist who retreats to a secluded cabin for inspiration, only to become entangled in a disturbing investigation that forces her to confront her past. The book was announced earlier this year through Hoover’s Instagram account.

Hoover remains one of the most commercially successful authors of the past decade, with more than 20 novels spanning romance and psychological thrillers. A full catalog of her work is listed on her official website. Several of her titles have been adapted for film, including It Ends With Us, Regretting You, and upcoming adaptations of Reminders of Him and Verity.

Despite her health challenges, Hoover has continued engaging with readers and promoting new projects, signaling that she intends to remain active creatively while completing treatment.