Whitney Houston's brother, Gary, and sister-in-law, Pat, have opened up about the shocking revelations in a new documentary about the late singer's life. The documentary, titled "Whitney," focuses on the rise and fall of the iconic music star and includes interviews with family members and close friends.

According to Gary, the documentary reveals a lot of things that the public never knew about Whitney's personal life.

He mentioned that one of the most shocking revelations was the extent of Whitney's drug addiction and how it affected her relationship with her family. He explained that although they were aware of her struggles with substance abuse, the documentary shed light on the full extent of her addiction.

Pat added that they wanted to tell Whitney's story accurately and honestly, and the documentary does just that.

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