"There were always a lot of secrets", says Houston's friend.
The teaser then delves into Houston's personal life, particularly her rocky relationship with substance abuse, her turbulent marriage to Bobby Brown, and her alleged romantic entanglement with longtime friend Robyn Crawford. Another follows up, saying: "His heart was, he wanted to be on the stage. And eventually, she stepped down to lift him up".
Though Macdonald interviewed Brown for the doc, he told The Hollywood Reporter the former New Edition member is "actually is not ready to tell the truth, for whatever reason".
Officially sanctioned by Whitney's estate, it features the singer as she deals with her family life, fame, and struggles with drug addiction. Through interviews with those who knew her best, intimate topics like "Do you think she understood herself?" and "You must have known about the drug use", are broached.
The film will also highlight Houston's relationship with her mother who was admittedly tough on her superstar daughter.
In Whitney, both the filmmaker and Houston's family hopes to finally set the record straight about the iconic singer, but Macdonald said he was not initially interested in telling Houston's story until he talked to her agent.
The first official trailer for Whitney has arrived and it's packed with information about the late, great, icon, Whitney Houston.
Dee Dee Warwick (born Delia Mae Warrick) was the niece of Houston's mother, Cissy Houston, and the younger sister of veteran soul star Dionne Warwick.
"There were times when I'd look up to God and I'd go, 'Why is this happening to me?" she recalls in vintage footage. And I thought that was interesting. "She's someone who has had such a big impact on culture but is not taken seriously".