The 39-year-old rocked out with Hank Williams Jr. to their rendition of I"'m Gonna Get Drunk and Play Hank Williams," which was dedicated to the singer's father. Williams said, "Tonight was a special night! Having Brad perform with me and especially on my new album is something special. It's a good 'ole honky-tonk song that Brad-cephus and Bocephus had a lot of fun playing tonight!"
Other stars hit the stage including Miss Underwood, Luke Bryan and Lady Antebellum while country’s greatest shared in a fun-filled evening.
In other news, the sexy singing hunk celebrated at an Italian joint with his fellow band mates and friends last night (June 5).
According to a source, “Although the restaurant was closing, they opened up just for him and his large group."