"Paula Abdul ain't shit," she says in the decades-old footage. "That girl is singing off key on the record."
The trailer for the family-approved documentary teases an emotional look behind the scenes of the singer's career, which included music and movies. "Whitney" includes appearances from her mother Cissy Houston, her ex-husband Bobby Brown, music executive Clive Davis, and even her "Bodyguard" co-star Kevin Costner. However, the most important narrator is Whitney herself, as the documentary uses old videos of the 7-time Grammy winner to tell the story.
The trailer promises that the film will explore her substance abuse issues, her childhood and marriage problems with Brown.
"There were always a lot of secrets." Whitney's brother, Gary Garland, says. "When you don't resolve things and you don't deal with things, they never go away."