Pop singer Jessie J reveals early-stage breast cancer diagnosis, plans surgery post-performance.

Pop singer Jessie J has been diagnosed with early-stage breast cancer and plans to undergo surgery after her performance at the Summertime Ball on June 15. The 37-year-old shared her diagnosis on Instagram, aiming to process the news and show support for others facing similar experiences. Jessie J, known for hits like "Price Tag," has previously battled health issues including a heart condition and a minor stroke.