The roar of the crowd at this season's NFL Super Bowl will be matched by the roar of Katy Perry's pipes.The NFL confirmed Sunday the 30-year-old pop superstar will be the main attraction at the Pepsi Super Bowl XLIX Halftime Show in Glendale, Arizona this February. (Video via Capitol Records / Katy Perry)The announcement was made during NBC's "Sunday Night Football" matchup between the New York Giants and Dallas Cowboys.And Perry says she's already got a few ideas on how to kick the show up a notch, as she revealed in her new Pepsi commercial.