Lexie Moreland/WWD via Getty Images Martha Stewart, 84, ditched her signature platinum blonde for a trendy, darker shade that brilliantly disguises hair regrowth of any color, including grays. The legendary entrepreneur and television personality sat down with hairstylist Chris Appleton in a new Instagram post. In a video, the famed stylist—whose celebrity clientele includes Jennifer Lopez and Kris Jenner—transforms Stewart’s typical platinum blonde shade into a dark blonde as Lady Gaga’s “Telephone” plays in the background. View this post on Instagram Read more at The Daily Beast.