Martha Stewart went from stockbroker to caterer to cookbook author and TV star. | Warner Media CNN’s “The Many Lives of Martha Stewart,” a four-part series, explores the rise of Martha Stewart’s lifestyle empire What’s your mental image of Martha Stewart? Is it Stewart in her classic cookbooks, like Entertaining , which taught a generation how to host? Is it Stewart, as seen on Martha Stewart Living , picking flowers, harvesting eggs, and plotting out garden designs at her expansive Connecticut estate? No? Perhaps it’s a more recent Stewart then, pouting glossy lips while posing for a pool selfie or smiling on the cover of Sports Illustrated ’s swimsuit edition. The Many Lives of Martha Stewart , a new, four-part CNN series, traces the phases of Stewart’s career to explain how we ended up with the modern Martha Stewart empire . The first two episodes, which premiere on CNN this Sunday, recap Stewart’s unprecedented rise from stockbroker to caterer to cookbook author and TV star,