Singer Halsey hinted at a lupus and leukemia diagnosis in an Instagram post on Tuesday, saying she was “lucky to be alive.”

She shared a carousel of videos and a screenshot, and tagged the Lupus Research Alliance and the Leukemia & Lymphoma Society.

“Long story short, I’m lucky to be alive. Short story long, I wrote an album,” she captioned the post. Her account was flooded with messages of support. The Lupus Research Alliance responded, thanking Halsey for her bravery.