Katie Thurston, who led Season 17 of "The Bachelorette" in 2021, has been diagnosed with breast cancer at 34 years old.

She revealed the news in February in an emotional Instagram post. At the time, she said she wanted to be open about her health, as reading about other women's breast cancer journeys helped her amid her own diagnosis.

Thurston first became well-known as a contestant on Season 25 of "The Bachelor," which starred Matt James. Standing up to bullying in the house earned her fan-favorite status, though she was eliminated in Week Six.

Afterward, she led her own season of "The Bachelorette" reality franchise, which concluded with her getting engaged to Blake Moynes, but they ended their engagement a few months later.

She's since married comedian Jeff Arcuri on March 22, j

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