PHOENIX (AP) — Rihanna is putting in the work ahead of her Super Bowl halftime show, focusing so hard on what she promises will be "a jam-packed show" that her upcoming birthday and Valentine's Day almost slipped her mind.

"The setlist was the biggest challenge. That was the hardest, hardest part. Deciding how to maximize 13 minutes but also celebrate — that's what this 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," Rihanna said.

At a media preview Thursday ahead of Sunday's matchup between the Philadelphia Eagles and Kans...