Robin Williams [ tickets ] is recovering at the Cleveland Clinic after successful heart surgery March 13, according to the Boston Herald. The 57-year-old comedian underwent surgery to replace an aortic valve and is expected to make a complete recovery in the next eight weeks.

Williams, who was initially treated at the University of Miami Hospital before being transferred to Cleveland, was forced to cancel the remainder of his one-man comedy tour, "Weapons of Self-Destruction," after experiencing shortness of breath. The show is expected to resume in the fall.