Country Music Hall of Fame singer-songwriter Kris Kristofferson celebrated his 80th birthday in Lawrence Wednesday night with a concert at Liberty Hall, June 22, 2016.

photo by: Mike Yoder

Kris Kristofferson is given a cake courtesy of Ladybird Diner owner Meg Heriford, center, as he celebrated his 80th birthday in Lawrence Wednesday night after a concert at Liberty Hall, a Free State Festival event.

photo by: Mike Yoder

Kris Kristofferson. blows out the candles on a birthday cake, courtesy of the Ladybird Diner in Lawrence, to celebrate his 80th birthday in Lawrence Wednesday night after a concert at Liberty Hall, a Free State Festival event.

photo by: Mike Yoder

Kris Kristofferson laughs during a question-and-answer session with Lawrence Arts Center director of exhibitions Ben Ahlvers after his concert Wednesday night at Liberty Hall, a Free State Festival event.

photo by: Mike Yoder

Kris Kristofferson's daughter Kelly Kristofferson, left, and Andrew Hagar, open a concert for her father, who celebrated his 80th birthday in Lawrence Wednesday night at Liberty Hall.

photo by: Mike Yoder

Kris Kristofferson sings with his daughter Kelly Kristofferson, as they celebrated his 80th birthday in Lawrence Wednesday night with a concert at Liberty Hall, part of the Free State Festival.

photo by: Mike Yoder

Kris Kristofferson and his daughter Kelly Kristofferson, hug as they celebrated his 80th birthday in Lawrence Wednesday night with a concert at Liberty Hall, part of the Free State Festival.

photo by: Mike Yoder

Country Music Hall of Fame singer-songwriter Kris Kristofferson joined Ben and Noel Haggard, the sons of Merle Haggard and the band the Strangers to celebrate his 80th birthday in Lawrence Wednesday night with a concert at Liberty Hall, a Free State Festival event.

photo by: Mike Yoder

Kris Kristofferson listens to a fiddle break from Scott Joss, a member of The Strangers, a band that used to back Merle Haggard and is now on a tour with Kristofferson.

photo by: Mike Yoder

Country Music Hall of Fame singer-songwriter Kris Kristofferson watches as a women throws some underwear on stage on his 80th birthday in Lawrence Wednesday night during a concert at Liberty Hall, a Free State Festival event. Kristofferson, was joined by members of The Strangers with Noel Haggard, left, and Ben Haggard, background right, the sons of Merle Haggard for the show.

photo by: Mike Yoder

Country Music Hall of Fame singer-songwriter Kris Kristofferson salutes a crowd at Liberty Hall, Wednesday, June 22, 2016. The crowd helped Kristofferson celebrate his 80th birthday Wednesday with a concert as part of Lawrence's Free State Festival.