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Jessie J is revealing more about her past health issues.  The British pop singer was performing at the Delete Bone Cancer Gala in New York on Wednesday night when she told the star-studded crowd that she had suffered from a stroke when she was 18 years old. 

According to People, Jessie dedicated her performance of "Who You Are" to the loved ones of those who've died of cancer and said she feels "so lucky that [she] was given a second chance at life." 

The singer, now 26, was diagnosed with Wolff-Parkinson-White syndrome when she was a girl, causing her to have an irregular heartbeat.  

The gala, which was hosted by Chris Tucker, raised$4 million for the Delete Bone Cancer charity. 

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