Martha Stewart might not be a billionaire anymore, but being a multi-millionaire will do! As of recent, the famed entrepreneur has an estimated net worth of $400 million, according to Celebrity Net Worth. Forever associated with the world of cooking and lifestyle, the 82-year-old made her true claim to fame in 1990, when she launched her own self-named magazine, Martha Stewart Living, and deemed herself the editor-in chief. Prior to creating her own publication, Stewart’s career initially started as a fashion model, though it wasn’t long before she started dabbling in finance and stocks. In 19…