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01:38 — It was a star-studded night online as well as at the Met Gala as social media users viewed pics of such celebrities as Nick Jonas, Katy Perry, rapper (more…)
02:47 — From Rihanna's epic pope moment, to Katy Perry's angelic wings, ET is running down the most unique looks of the night!
00:53 — From Rihanna and Ariana Grande to Katy Perry and Jennifer Lopez, these celebs made the most of the heavenly Met Gala theme. See for yourself!
03:36 — Luke talks about judging ABC’s “American Idol” with Katy Perry & Lionel Richie, and reveals what it was like having dinner at Lionel’s house.