Pop star Miley Cyrus is preparing her return to the music scene after spending the last few years avoiding red carpets, coaching on The Voice, and hunkering down with on-again partner Liam Hemsworth and her army of pets. (She has two pigs, seven dogs, and two mini horses, for the record.) She’s also got a new single dropping next week, “Malibu,” and in a new interview with Billboard, she opened up about her relationship, sobriety, and evolving image. “I haven’t smoked weed in three weeks, which is the longest I’ve ever [gone without it].