"I need you to know, I learned today, from my doctors that I must have surgery soon," the 49-year-old icon wrote
. "It breaks my heart to tell you that I am forced to postpone the Unbreakable Tour until the spring. Every date will be rescheduled. Please hold on to your tickets. They will be honored in a special way when the new schedule is announced. Please pray for me, my family and our entire company during this difficult time. There will be no further comment. I love you all so much and am ever grateful for your understanding and your love. Gon' b alright."