Kellie will sing “This Land is Your Land” and “Small Town Girl,: according to a press release from concert organizers.
A Capitol Fourth will air from 8 to 9:30 p.m. Tuesday on PBS.
Previously announced performers for the show include Chris Blue, the most recent winner of The Voice, plus Trace Adkins, The Beach Boys, The Four Tops, Jack Everly and Sofia Carson.
As for Kellie, she celebrated her 31st birthday on Wednesday (June 28). And the third season of her reality show, “I Love Kellie Pickler,” begins Thursday, Aug. 3, on CMT.