Who is Kat Stacks? Kat Stacks is the stage name of former music industry promoter Stephanie Melancon. 4 avr. 2013 · RD by Ray Downs April 4, 2013, 8:12am Snap Portrait of Kat Stacks courtesy of FVP ART GALLERY A former prostitute turned loudmouth rap groupie seems like an unlikely poster child for the.