Everything We Learned From Rihanna's Super Bowl Halftime Show Press Conference

She said building the set list is “the hardest, hardest part.”

“Deciding how to maximize 13 minutes, but also celebrate it…that’s what the show is going to be. It’s going to be a celebration of my catalog in the best way that we could have put it together. And you only have 13 minutes that’s a challenge…so you’re trying to cram 17 years of work into 13 minutes so it’s difficult, but you know some songs we have to lose because of that and that’s going to be okay, but I think we did a pretty good job at narrowing it down,” she said.