Ariana Grande Mourns EX Mac Miller With Heart Breaking Words...

American singer and actress, Ariana Grande has shared her heartbreak over ex Mac Miller's death for the first time, and her emotions include anger, sadness ... and deep regret she couldn't get him to stop using drugs.   Mac and Ariana were a couple for about 18 months, and he was by her side during the Manchester bombing.TMZ via IFTTT