Three of the top five most-rewatched came in the first hour
1. 9:19 p.m. P!nk performs in acrobatic fashion (she's even dressed like an Olympic gymnast) while singing "Try."
2. 8:44 p.m. Chicago is joined by Robin Thicke to perform a medley of the band's top hits.
3. 8:33 p.m. Katy Perry performs an eerie version of "Dark Horse" with Juicy J.
4. 10:25 p.m. Daft Punk, Pharrell and Nile Rogers perform "Get Lucky" with Stevie Wonder.
5. 8:16 p.m. Lorde sings her Grammy-winning song "Royals."
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