Infamous American Idol contestant William Hung has opened up about hitting rock bottom years after becoming a household name for his horrendous performance on the American singing competition, RadarOnline.com has learned. In a recent interview with People, Hung broke down the 20 years since becoming a viral sensation and discussed his battles with gambling addiction as well as how he dealt with getting a divorce from his long-time partner. “It was all very surprising,” Hung told People, referring to his reception on American Idol. “I didn’t expect that. I had no expectations going in other tha…