Katy Perry roared through her spectacle-heavy Super Bowl half-time show
Katy Perry and friends put on an underwhelming Super Bowl halftime show
Katy Perry Super Bowl Halftime Show: What to Know
Katy Perry brings fireworks to Super Bowl 2015 - CBS News
Katy Perry's 5 Biggest Moments From the Super Bowl Halftime Show
Katy Perry Super Bowl halftime show: The story of the puppet lion - Sports Illustrated
Review: Super Bowl 2015: Katy Perry packs it all into fiery halftime show - Los Angeles Times
Katy Perry: Super Bowl halftime performance will make you 'Roar' – San Bernardino Sun
Katy Perry's Halftime Show at Super Bowl 2015, Pictures