The Super Bowl is presented as one of the biggest events of the year. From the high stakes of the game to all the pop culture flashes - commercials, celebrity appearances, and especially the halftime show, people always have something to talk about the event.Speaking of the halftime show, there have been multiple highly acclaimed classics, like Jennifer Lopez and Shakira at LIV. But for every brightly shining example of excellence in the tradition is a dud that failed to deliver, and here are five examples of such instances.