Naomi Ackie Breaks Down Her Transformation Into Whitney Houston for 'I Wanna Dance With Somebody'

Naomi Ackie chats with ET about the upcoming Whitney Houston biopic, 'I Wanna Dance With Somebody,' in theaters Dec. 23. The actress breaks down the process of transforming into the iconic singer for the film. Plus, Naomi shares what it was like to get Whitney's family and Clive Davis' stamp of approval on the movie.