Collaboration came about after legendary singer wondered publicly on Twitter why Chance had made "the Rapper" part of his name
Vocal powerhouses perform "That's What Friends Are For," "Superwoman"
Vandross brought Warwick to tears with his memorable remake of her 1964 hit
Warwick pays tribute to one of the few singers who matched her chart success
"I will never, and I mean this, ever forgive those who perpetuated this insanity," singer says of filmmakers behind 'Whitney,' which accused Dee Dee Warwick of abuse
Queen of Soul rebuffed Warwick for incorrect comments she made at Whitney Houston's funeral
Former 'SNL' castmates invent Joni Mitchell drinking game, talk Carol Burnett on 'Maya & Marty'
Soul singer blames former business manager for $1 million tax debt
Alicia Keys, Stevie Wonder, Dionne Warwick, Kevin Costner and Tyler Perry say goodbye
Stevie Wonder, Dionne Warwick, Patti LaBelle also respond to 'Soul Train' creator's passing
