Excerpts from her interview with Billboard: "Below, Ava Max talks about her blockbuster year -- and promises Billboard that there’s much more music to come, including a deluxe version of Heaven & Hell." Who would you love to collaborate with next? "Rihanna! I'm obsessed with her. She's doing pretty well with her makeup line, but I'm like, "Can we have more music?!" [Laughs] "   Why did you divide your debut album Heaven & Hell into two sections? "I decided on the way