For this month’s #OhBehave!, Vogue turned to two masters of ornamentation. LisaEisnerJewelry, the L.A. jeweler, photographer, and patron saint of Western maximalism and opposite her sits JonBatiste, the Oscar-, Grammy-, and Golden Globe–winning musician whose taste in jewels rivals his talent. From borrowing granny’s ring to wearing diamonds at the gym, at the link in our bio, Batiste and Eisner instruct on the art of wearing jewelry. Illustration by JoanaAvillez