The much-obsessed-over design collaboration between goop and CB2 is back—and full of fresh ideas. Get ready for plaster, resin, and shearling, along with thrilling juxtapositions of scale and materials. “We were inspired by modern Parisian apartments—that sense of elegance and daring—and also mid-century Italian modernist furniture,” says Gwyneth, whose Montecito home also served as a key touchpoint.