The 2015 iHeartRadio Music Awards will include performances by two of country music's biggest stars. Jason Aldean and Florida Georgia Line, both of whom are also nominees, will take the stage during the ceremony, set to be held at the Shrine Auditorium in Los Angeles on March 29.

The country acts join a long list of performers slated for the live broadcast, including Kelly Clarkson, Madonna, Iggy Azalea, Rihanna, Meghan Trainor, Jason Derulo, Sam Smith and many others. Taylor Swift is also slated to make an appearance, with more stars expected to be announced shortly. Jamie Foxx will serve as the evening's host.

“This is the night we celebrate the biggest songs and artists we played for fans on our iHeartRadio stations across America and on the iHeartRadio app over the past year, along with a look at what's coming in 2015,” John Sykes, president of entertainment enterprises for iHeartMedia, Inc., says. "And who better to host than both a Grammy-winning musician and Oscar-winning performer, Jamie Foxx? This is going to be an amazing, star-packed Sunday night of music on NBC."

Several country artists are up for iHeartRadio Music Awards this year. Cole Swindell is nominated for Best New Artist, and Brantley Gilbert is nominated in the Renegade category, while Eric Church's fans, the Church Choir, are nominated for Best Fan Army. Luke Bryan is nominated for the evening's biggest honor, Artist of the Year.

The Country Song of the Year category includes Lady Antebellum's "Bartender," Aldean's "Burnin' It Down," FGL's "Dirt," Church's "Give Me Back My Hometown" and "Play It Again" by Bryan.

The iHeartRadio Music Awards will air live on NBC at 8PM ET on March 29. Both the Renegade and Best Fan Army categories are fan-voted awards; vote at the iHeartRadio Music Awards website.

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