Donna Summer performing in 2011. (Getty Images)

Donna Summer, a singer who rose to fame on the disco craze of the 1980s, has reportedly died of cancer at 63. Ms. Summer's breakthrough hit in the U.S., "Love to Love You Baby," was an over-15-minute-long club smash, featuring the singer's then-scandalous moans. Other hits included club favorites like "Last Dance" and "MacArthur Park." In recent years, Ms. Summer had released an album in 2008 and performed on American Idol and at the Nobel Prize concert in honor of President Obama.