Ariana Grande Writes Mournful Tribute to Mac Miller The pop singer posted a <br />video of the late 26-year-old rapper <br />along with an emotional <br />statement on her Instagram. The clip appears to be of Miller telling her a story while the two were still in a relationship. Grande expressed her sadness over her ex-boyfriend's death. Ariana Grande, via Instagram Grande and Miller were publicly in a relationship back in 2016. The couple parted ways in May 2018. Miller was found dead of an apparent overdose at his Studio City, Calif. residence on Friday, Sept. 7.