Carrie Underwood has announced a surprise appearance at the 2015 CMA Music Festival, just two short weeks before the country extravaganza kicks off on June 11.

Underwood will join the lineup of Saturday's (June 13) LP Field stadium show, one of four nights of star-studded performances being taped for ABC's CMA Music Festival: Country's Night to Rock. 

The announcement marks Underwood's 10th anniversary in country music following her win on the fourth season of American Idol. Less than a month later, she appeared at the 2005 CMA Music Festival for the first time. She broke the good news about this year's performance on Instagram, posting "Hey #CMAfest! Looks like I will be seeing you real soon!" underneath a neon-filtered photo of herself wearing a pair of "I Heart CMA Fest" sunglasses.

Also including superstar performances by Luke Bryan, Florida Georgia Line, Little Big Town and many more, tickets to the 2015 CMA Music Festival's LP Field shows have been sold out for months.

Prior to her CMA Fest appearance, Underwood will also take the Grand Ole Opry stage for two shows on June 9, and then throw her official fan club party at the Opry House afterward. On June 10, she'll make her first post-baby TV appearance on the CMT Music Awards, singing her current single "Little Toy Guns." Underwood leads the field of nominees with five in total — including two in the video of the year category alone (for "Something in the Water" and "Somethin' Bad" with Miranda Lambert).

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