The Weeknd prepares to take the stage for an epic performance at Super Bowl LV, it's time to take a look back at halftime shows past.While the Canadian pop star will be in unprecedented territory at this year's unique, pandemic-restricted game, there's no denying he's following in the footsteps of the epic performances that have preceded him in what is often the most-anticipated TV time slot of the year. Pepsi's Super Bowl halftime show is the most-watched live performance on TV in America today