Hank Williams, Jr. and Lady Antebellum are joining a superstar-studded performance lineup for the first-ever 2014 American Country Countdown Awards.

Williams, Jr. rarely appears on TV, so his addition makes this a must-watch event for country fans. Lady Antebellum are up for two awards -- Artist of the Year and Group / Duo of the Year -- so fans could see them on stage quite a bit throughout the evening.

Also set to perform during the show are Jason AldeanLuke Bryan, Kenny ChesneyEric ChurchBrett EldredgeMiranda Lambert, Carrie Underwood and Florida Georgia Line. FGL will host the ceremony as well, and their undeniable chemistry and fun-loving personalities are sure to make it a fun time.

The ACC Awards will also include Sara Evans, Hunter Hayes, Maddie & Tae, Scotty McCreery, Kip Moore, Thomas Rhett, Chase Rice, Cole Swindell and Chris Young, as well as several celebrities, as presenters throughout the evening.

The 2014 American Country Countdown Awards will air live from Nashville's Music City Center on Dec. 15 at 8 PM ET on Fox.

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