Colleen Hoover, the author who penned It Ends With Us, is opening up about her recent cancer diagnosis. The 46-year-old author told her 1.9 million Instagram followers that she has one more day of radiation left at Texas Oncology."Second to last day of radiation," she wrote on Monday on her Instagram stories. "I wish I could blame my hair and facial expressions on @Texas.Oncology, but they've been great. Hope you never need them, but highly recommend them." View image in full screen A screengrab of Colleen Hoover's Instagram Stories.