Whitney Houston and Dionne Warwick perform onstage at the 2011 Pre-GRAMMY Gala and Salute To Industry Icons Honoring David Geffen at Beverly Hilton in Beverly Hills, Calif. on February 12, 2011 -- ... more 
Whitney Houston and Dionne Warwick perform onstage at the 2011 Pre-GRAMMY Gala and Salute To Industry Icons Honoring David Geffen at Beverly Hilton in Beverly Hills, Calif. on February 12, 2011 -- Getty Images less 
1 / 31
Access Hollywood
Thu, Mar 8, 2012 4:20 PM EST