Toby Keith has been added to the 2015 Country Jam Colorado lineup. The country superstar will headline the festival's fourth and final night.

Keith joins an all-star roster that includes Tim McGraw, Keith Urban and the Band Perry for the festival, which takes place June 18-21 at Jam Ranch outside of Grand Junction, Colo. The 'Drunk Americans' singer is a three-time BMI Country Songwriter/Artist of the Year, Billboard's No. 1 Country Artist of the Decade and No. 1 Country Songwriter of the Decade, and was also named Songwriter/Artist of the Decade by the Nashville Songwriters Association International.

“We are very happy to add Toby Keith to our superstar lineup,” says Dhruv Prasad, Executive Vice President, Live Events, Townsquare Media Inc. “This is going to be an incredible 4-day experience for our Country Jam attendees! And we’re not finished yet -- all I can say is there are more great acts to be announced, so stay tuned."

Now in its 24th year, Country Jam is well established as a top festival destination for country music fans. Last year's festival featured headlining sets from Brantley Gilbert, Lady Antebellum, Eric Church and Jake Owen, with dozens of country favorites rounding out the bill.

Tickets are now on sale for Country Jam 2015General admission tickets start at $140 for a four-day pass, and VIP packages start at $640 for a four-day Silver Pass, with Gold Pass packages also available. More information on VIP package details and pricing is available here.

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See Toby Keith + More Country Stars' Yearbook Photos