Gladys Knight Turns 71

Gladys Knight, known as Empress of Soul, began her career as Gladys Knight & the Pips. The group helped define R&B Music in the 70's with hits like "I Heard It Through the Grapevine" and "Midnight Train to Georgia.

She won a Grammy in 1986 for Best Pop Performance By A Duo Or Group With Vocal for the hit song 'That's What Friends Are For,' which she sang with Dionne Warwick, Elton John and Stevie Wonder.