Muni Long revealed that over a decade of struggling with lupus caused her to have a double lung transplant amid her early exit from Brandy and Monica ’s The Boy Is Mine Tour . The Grammy-winning singer-songwriter, whose legal name is Priscilla Renea Hamilton, was a guest on the Tuesday (June 23) episode of Good Morning America , where she discussed the frightening surgery with anchor Robin Roberts . Long, who was diagnosed with lupus in 2014, also revealed that doctors had given her a week to live. Long opened for Brandy and Monica on select dates of the 2025 tour before dropping out for health reasons . The Revenge artist was replaced by R&B vocalist Mýa . "I should have never taken that tour," she told Roberts, "but there was so much going on in my life that I had to do it." During her final show on The Boy Is Mine Tour, Long managed to perform two songs before leaving altogether. By the Thanksgiving holiday, the 37-year-old was in the hospital.…