Ellise Shafer editorOn Wednesday, Academy-award winning actresses, best-selling authors, activists, fashion designers, olympic athletes, politicians and executives are all uniting to give up control of their Instagram accounts to black women in order to magnify their voices.Kourtney Kardashian, Gwyneth Paltrow, Julia Roberts, Ashley Graham, Hilary Swank, Alex Morgan and Diane von Furstenberg are just a few of the celebrities participating in the #ShareTheMicNow campaign, in which white women