Deborah Cox will sing Whitney Houston songs in biopic

buzzz worthy. . .

Deborah Cox will allegedly act as a vocal stand in for the Whitney Houston biopic.  Why?  Because Houston's family did not want Lifetime to use Houston's voice, so  YaYa DeCosta the film's lead actress belts those notes we will actually be hearing the voice of R&B singer Deborah Cox.  TMZ has acquired an alleged leaked first listen of Cox singing Houston's "I'll Always Love You."  Check it out.