Tree Town Music Festival has announced its headliners for 2015.

Blake Shelton, Dierks Bentley, Rascal Flatts, Eli Young Band and Danielle Bradbery will perform at the event, which takes place May 21-24 in Forest City, Iowa.

The festival will continue to announce more performers for the Memorial Day weekend event, which featured multiple stages, beer tents, food vendors, rock climbing, zip lines and more in 2014, the first year of the festival.

Last year's performers included Brad Paisley, Toby Keith, Brantley Gilbert, Chris Young and Scotty McCreery, as well as the 'Little Nashville' stage with some of Broadway's biggest stars.

Early-bird tickets are available for $120 ($500 for VIP tickets) though Dec. 2 at TreeTownFestival.com. Camping prices start at $100 for ticket holders.