breaking news
According to his rep, the 64-year-old had woken up with an intense fever and congestion.
Gabriel -- one of the best-selling Latin recording artists of all time -- had performed a 3-hour set just the night before at Mandalay Bay resort. According to his rep, the pneumonia has forced the singer to postpone 3 shows in California this week.
Right now Gabriel is hoping he can return to the stage May 1st in L.A.
