The host arrived in a Stephane Rolland Couture dress, Armani earrings and Yeprem rings.
Perry's space suit got a glam upgrade.
Underneath her spacesuit, the "Chained to the Rhythm" singer wears a nude bodysuit.
Is there such a thing as too much sparkle? No, no there isn't.
Perry made the audience "Roar" with her sequined zebra-print Naeem Khan gown.
In a bit about having a baby, Perry paired her Rasario gown with a David Webb bracelet and Nicholas Kirkwood booties.
The singer soared in a dress from Roberto Cavalli's Fall 2017 Couture collection.
Before her wig was snatched, Perry modeled a look from Halpern's Fall 2017 RTW collection and Jennifer Fisher earrings.
Game of Thrones isn't the only show with dragons—or a Khaleesi.
Perry's glittering take on activewear was more fashionable than functional.