Country was well represented at this year's Grammy awards. In addition to Kacey Musgraves picking up two awards for best country album and best country song, a number of stars performed. Merle Haggard, Willie Nelson, Kris Kristofferson and Blake Shelton sang a medley of hits.  Miranda Lambert was joined by Green Day's Billie Joe Armstrong to pay tribute to the late Phil Everly.   Keith Urban performed his new song 'Cop Car' with Gary Clark Jr. Kacey Musgraves, Taylor Swift and Hunter Hayes all sang new songs.

Kris Kristofferson, Willie Nelson, Merle Haggard, Blake Shelton

Miranda Lambert & Billie Joe Armstrong

Keith Urban & Gary Clark Jr

Kacey Musgraves 'Follow Your Arrow'

Hunter Hayes 'Invisible'

Taylor Swift 'All Too Well'