The full, final lineup for Country Jam 2017, held in Grand Junction, Colo., has been announced. Gretchen WilsonParmaleeSmithfieldCody JohnsonSammy ArriagaSasha McVeigh and the Devon Worley Band are the newly added performers for Colorado's biggest country music party.

This year's festival -- the 26th annual Country Jam -- features a packed lineup for attending fans: Thomas RhettKenny ChesneyJason Aldean and Justin Moore and Randy Houser will be headlining the event (Moore and Houser are co-headlining one night). Also joining them and the newly announced acts on the bill are Chris YoungOld DominionFrankie BallardKane Brown and Sammy Kershaw.

Country Jam is scheduled for June 15-18 at Jam Ranch, just outside of Grand Junction. The four-day festival was an absolute blast in 2016Lee BriceBrad PaisleyBlake Shelton and Zac Brown Band headlined, and Shelton brought out girlfriend Gwen Stefani to perform their duet “Go Ahead and Break My Heart" -- on his birthday, nonetheless!

Tickets are available now for Country Jam 2017. Four-day general admission tickets start at $145, with reserved tickets starting at $365 and VIP tickets starting at $725. More information on VIP ticket details, camping options and pricing are available online through Country Jam's official site.

See Photos From Country Jam 2016