The electronic music duo racked up five Grammy awards, including Album of the Year for Random Access Memories and Record of the Year for their chart-topping tune "Get Lucky."
The 25-year-old breakout star beat out big albums such as Taylor Swift's Red to take home the award for Best Country Album for Same Trailer Different Park.
The famous friends won the Best Rap/Sung Collaboration honor for their hit "Holy Grail," although J.T. was not in attendance to accept the award with his pal.
It was no surprise when the 17-year-old breakout beauty took home the award for Best Pop Solo Performance for her hit song "Royals." The New Zealand singing sensation also won the honor for Best Pop Solo Performance as well as Song of the Year.
The talent group won the accolade for Best Rock Song for their hit "Cut Me Some Slack."
The group was honored with the award for Best Pop Duo/Group Performance for their smash hit "Get Lucky."
The rap duo, who hails from Seattle, took home the highly coveted honor for Best New Artist.
NEXT GALLERY: 2014 Grammys: Arrivals