Natalie Shay, Louise Connor, Darcey Hope, Katy for Kings and Emma Fischer are all set to perform at The Camden Club on June 7.
Wallen's 36-song album, One Thing At A Time, remains at No. 1 on the Billboard 200.
The Oklahoma songsmith is currently finishing up his new album, Writers and Fighters.
The husband-and-wife duo are heading across The Pond in August.
Wading into the first Highways festival, the Virginia born-star emerges triumphant.
Everything you need to know about the North Carolina prodigy's 16th single to country radio.