Everything Ariana Grande Has Ever Said About Mac Miller—the Good, the Bad and the Ugly Which is for the best, because Grande didn't want to have two complicated relationships at once. Subscribe: Grande's relationship history includes famous faces from Big Sean, the late Mac Miller and her most recent ex, Pete Mac Miller and Ariana Grande in March 2018. The pair dated for nearly two years before splitting in May. GC Images "I'm so mad, I'm so sad. I don't know what to do," she wrote. 6wPBwe.