Katie Thurston was a contestant on season 25 of the Bachelor and was the star of the Bachelorette's 17th season.

Katie Thurston, who led Season 17 of "The Bachelorette" in 2021, has been diagnosed with breast cancer at age 34, she announced on Instagram Feb. 15.

Former “Bachelorette” star Katie Thurston announced Saturday she’s been diagnosed with breast cancer. The 34-year-old, season 17 alum shared the “life update,” saying she learned of her diagnosis earlier this month but was still waiting to find out what stage her cancer is at.