What’s inside her locket? We always knew Monica Rich Kosann for her photography—black and white archival portraits—and her fine jewelry: heirloom-quality gold, silver, and gemstone lockets, whimsical charms, and made-to-be-layered pendant necklaces. (“The two are not that different,” says Kosann. “Whether it is a photograph that reveals memories or a woman who wears jewelry that tells her story, her dreams, travels, adventures ahead—it is the same thing.”) Yet we only just learned she’s a lifestyle guru. We’re slightly obsessed—in a totally healthy way!—with MRKStyle.com, where she discusses Coachella accessories, muses on Mad Men–esque vintage jewels, suggests a summer dinner-party menu, fashions flower arrangements, chats with Gossip Girl’s Kelly Rutherford, and even reveals the contents of her handbag (three words: Carmex lip balm). We’re no less obsessed