Some of country music's hottest stars performed live at the 2014 Grammy Awards on Sunday night (Jan. 26).

Hunter Hayes debuted his new single, Kacey Musgraves performed a controversial song, and Keith Urban jammed with one of the evening's winners.

Taylor Swift showed a different side of herself, as did Miranda Lambert, who teamed up with Green Day front man Billie Joe Armstrong for the Everly Brothers' 'When Will I Be Loved.'

Blake Shelton, Willie Nelson, Kris Kristofferson and Merle Haggard also joined together for a very special medley of hits.

Take a look at each of the performances again.

Hunter Hayes, 'Invisible'
Keith Urban, 'Cop Car'
Taylor Swift, 'All Too Well'
Kacey Musgraves, 'Follow Your Arrow'
Blake Shelton, Willie Nelson, Kris Kristofferson + Merle Haggard medley
Miranda Lambert + Billie Joe Armstrong, 'When Will I Be Loved'

Which of these was your favorite performance from Sunday night? Vote below as often as once an hour, and don't forget to follow The Boot on Twitter, like us on Facebook, and subscribe to our newsletter for all the latest in country music news.