The Spotlight on Instagram: "Ariana Grande and Ethan Slater continue to prove that their romance is ongoing. Over the weekend Slater, 33, supported his longtime girlfriend, 32, as she hosted Saturday Night Live. The Broadway star was spotted in the singer's backstage green room as he appeared in an Instagram carousel shared by Grande's longtime friend Elizabeth Gillies. It comes after the 7 Rings hitmaker squashed breakup rumors last week by sharing a video of her boyfriend reflecting on his cha