Formed in 1985, Guns N' Roses is regarded as one of the best rock bands of all time and its album, 'Appetite for Destruction' is the best-selling debut in U.S. history. The band's potent mix of hard rock and beautiful melodies,coupled with insightful and emotional lyrics helped them cross over into the mainstream, resulting in over 100 million record sales. But behind the immense fame and success lay chaos.