Martha Stewart has been a household name for decades. Stewart, who just turned 85, looks remarkably youthful, leading to much speculation about …Martha Stewart has been a household name for decades. Stewart, who just turned 85, looks remarkably youthful, leading to much speculation about her take on plastic surgery. What she’s actually had doneAs Martha Stewart marks her 85th birthday, she’s once again addressing the gossip about her plastic surgery, insisting again she’s never had it. In a new chat with People, Stewart said that plastic surgery has never been part of her routine.