The Umbrella hitmaker is to headline the gig staged as part of the National Football League's Super Bowl LVII at the State Farm Stadium in Arizona on Sunday. Discussing her performance during a press conference on Thursday Rihanna indicated the show will have a number of exciting elements. "We've been working on it for a while, and every day it just gets closer and closer to the finished product. Today's a really big rehearsal, a really important one, that's going to be crucial for Sunday. It's a lot of preparation…”