It Ends With Us author Colleen Hoover is opening up about being diagnosed with cancer. "Second to last day of radiation!" Hoover, 46, wrote over a photograph of herself in a hospital gown shared to her Instagram Stories on Monday, January 12. She noted that she was undergoing radiation therapy at Texas Oncology. She added, "I wish I could blame my hair and facial expressions on @texas.oncology, but they've been pretty great. Hope you never need them, but highly recommend them.