Jessie J Reveals She Had A Stroke At 18

During her Wednesday appearance at NYC's Delete Blood Cancer event, Jessie J revealed that she had a stroke when she was 18. She said that she wrote her song "Who You Are" after the stroke thinking that she "was never going to get better."

"I feel so lucky that I was given a second chance at life," she continued.

"So every day when I am able to do this, you have no idea how amazing it feels that I'm so lucky to be onstage and singing and living my dream."

She then dedicated her performance to "the people we have lost to cancer and who are battling cancer."

J was diagnosed with Wolff-Parkinson-White syndrome as a kid, a condition that can result in an irregular heartbeat.

The benefit raised $4 million for Delete Blood Cancer.

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