Patti LaBelle, is an American R&B and soul singer-songwriter and actress. She fronted two groups, Patti LaBelle and the Bluebelles, which received minor success on the pop charts in the 1960s, and Labelle, which received acclaim and a mainstream breakthrough in 1974 with their song "Lady Marmalade". She went on to have a solo recording career, earning another U.S. #1 single in 1986 with "On My Own," a duet with Michael McDonald. She is renowned for her passionate stage performances, wide vocal range and distinctive high-octave belting. Her biography, Don't Block the Blessings, remained at the top of the The New York Times best-seller list for several weeks. She has sold over 50 million copies worldwide.