Sam Smith
This Grammy newbie cleaned house after winning four awards!
Beck & Kanye West
Yeezy almost pulled another "Kanye" moment, and that got everyone (even Jay Z and Beyoncé) nervous.
Sam Smith & Mary J. Blige
Two soulful singers on one stage? Yes, please.
Katy Perry
Singer gave a moving performance that shed some light on domestic violence.
Kristen Wiig
The Saturday Night Live alum surprised everyone when she crashed Sia's performance and instantly made it one of the fan favorites of the night.
Prince
Just take it all in, you guys. Take it all in.
Paul McCartney, Rihanna & Kanye West
The trio joined forces on stage to belt their popular new hit "FourFiveSeconds."
Pharrell
Hearing "Happy" always puts us in a good mood, but where's the famous hat?!
Ariana Grande
Singer shows off her powerhouse vocals during a stripped down performance of "Just a Little Bit of Your Heart."
Kanye West
Yeezy made his return to the Grammy stage after six years of being away.
Madonna
Iconic performer proved that at 56 years old, she's still got it.
John Mayer
Oh, hey, John Mayer. Lookin' good with that hot pink guitar.
Ed Sheeran
Leave it to Ed to make all the ladies swoon.