Entertainment Weekly:
Nicki Minaj
C-
Nicki's ostentatious, conceptual debut of new single ''Roman Holiday'' fell flat, surely one of the night's worse performances. Still, props for trying to bring a thematic, narrative-driven concept to an otherwise bland night.
Adele
A
The night's Grammy Queen ended her surgery-induced hiatus with a powerful, unfussy vocal performance of ''Rolling in the Deep.'' Breathe easy, music industry — she's hasn't lost a thing.
Katy Perry
B
Rather than shooting fireworks from her boobs, as LL Cool J promised, Perry brings ice, fire, and an unfortunate blue hairdo on stage for an unintentional tribute to Madonna's Super Bowl performance.
Taylor Swift and the Civil Wars
A-
Civil Wars did exceptionally well for a pair of newcomers, and T-Swift further folked up the house with a playful, banjo-driven ''Mean.''
Rihanna + Coldplay
B
RiRi stunned with a version of ''We Found Love'' that, improbably,
was as theatrically mesmerizing as its video. Coldplay, on the other hand, dropped the ball with grandiosity and a couple of dropped notes. B
Adele, Bruno and Jennifer were the only ones receiving an "A"
And I can't at Coldplay dragging down Rihanna like that, her performance would've been "A" material
The rest:
http://www.ew.com/ew/gallery/0,,2033....html#21119181
