Album of the Year:  "Babel",  Mumford & Sons

Record of the Year:  "Somebody That I Used to Know",  Gotye featuring Kimbra

Song of the Year:  "We Are Young",  Fun featuring Janelle Monáe

Best New Artist:  Fun

Best Pop Album:  "Stronger",  Kelly Clarkson

Best Traditional Pop Album:  "Kisses on the Bottom",  Paul McCartney

Best Pop Solo Performance:  "Set Fire to the Rain [Live]",  Adele

Best Pop Performance By a Duo or Group:  "Somebody That I Used To Know",  Gotye featuring Kimbra

Best Dance Recording:  "Bangarang",  Skrillex featuringSirah

Best Dance / Electronica Album:  "Bangarang",  Skrillex

Best Rock Song:  "Lonely Boy",  The Black Keys

Best Rock Album:  "El Camino",  The Black Keys

Best Rock Performance:  "Lonely Boy",  The Black Keys

Best Hard Rock / Metal Performance:  "Love Bites (So Do I)",  Halestorm

Best Alternative Music Album:  "Making Mirrors",  Gotye

Best R&B Song:  "Adorn",  Miguel

Best R&B Album:  "Black Radio",  Robert Glasper Experiment

Best R&B Performance:  "Climax",  Usher

Best Traditional R&B Vocal Performance:  "Love on Top",  Beyoncé

Best Rap Song:  "[N-words] in Paris",  Jay-Z and Kanye West

Best Rap Album:  "Take Care",  Drake

Best Rap Performance:  "[N-words] in Paris",  Jay-Z and Kanye West

Best Rap/Sung Collaboration:  "No Church in the Wild",  Jay-Z and Kanye West featuring Frank Ocean and The-Dream 

Best Urban Contemporary Album:  "Channel Orange",  Frank Ocean

Best Country Song:  "Blown Away",  Carrie Underwood

Best Country Album:  "Uncaged",  Zac Brown Band

Best Country Solo Performance:  "Blown Away",  Carrie Underwood

Best Country Performance By a Duo or Group:  "Pontoon",  Little Big Town

Best Blues Album:  "Locked Down",  Dr. John

Best Americana Album:  "Slipstream",  Bonnie Raitt

Best Comedy Album:  "Blow Your Pants Off",  Jimmy Fallon

Best Score:  "The Girl with the Dragon Tattoo",  Trent Reznor and Atticus Ross

Best Song Written for Visual Media:  "Safe & Sound" (for "The Hunger Games"),  Taylor Swift featuring The Civil Wars

Best Short Form Music Video:  "We Found Love",  Rihanna featuring Calvin Harris

Best Long Form Music Video:  "Big Easy Express",  Mumford & Sons

Pretty much the only country act of the night.

Miranda Lambert and Dierks Bentley...

I'm not sure that was a great choice for them to sing together. Alone they did great.