Grammys marked the chart-topper's first performance since vocal cord surgery.
MTV News' Sway & James Montgomery cover the somber, but glamorous, Red Carpet.
She debuted 'Part of Me,' her scathing new breakup tune, at the Grammys.
'Get off your rich asses and let's have fun!' Mars shouted from the stage.
Breezy performed 'Turn Up the Music' and 'Beautiful People' in his controversial Grammy return.
Missed the show? Don't sweat it. Watch the best moments right here.
Taylor Swift, Jessie J, Rihanna and more floored us in these floor-length looks.