When you're an artist used to performing in front of tens of thousands of adoring fans and you then spend a few months locked down in your home, chances are you will have a lot on your mind.That seems to be the case for Ariana Grande, who dialed in to Zane Lowe's Apple Music show on Wednesday (May 13) to talk about soooo many things, from why she stopped doing these kinds of interviews, to her unreleased Doja Cat collab, late boyfriend Mac Miller's deep love of music and why she's obsessed with