Super Bowl XLIX halftime show - Wikipedia
Katy Perry's Super Bowl Guest Revealed: Missy Elliot – Footwear News
Katy Perry brings out Missy Elliott for Super Bowl XLIX (2015
Katy Perry & Missy Elliott's Super Bowl bump
Jeremy Scott Creates Katy Perry's Amazing Super Bowl Outfits
Katy Perry's Super Bowl secret guest revealed - NZ Herald
Most-Watched Super Bowl Halftime Shows of All Time – Billboard
Super Bowl 2015: How Missy Elliott Came to Be the Surprise Star
PHOTOS: Katy Perry wows during Super Bowl halftime show - ABC7 Chicago