"GMA" co-host Diane Sawyer was the last to do a TV interview with Houston, who famously discussed crack cocaine in the 2002 chat. The singer's interview with Oprah Winfrey will air September 14. Dimitrios Kambouris/WireImage.com - September 1, 2009
Houston, We Have a Problem
Whitney Houston performs in New York's Central Park on "Good Morning America."