Headlining acts at Summerfest 2019 [PHOTOS]
Summerfest is kicking off June 26 with Thomas Rhett and special guests Dustin Lynch and Russell Dickerson.Michael Loccisano/Getty Images
Jason Aldean will be at the fest June 28 with special guest Kane Brown.Jason Kempin/Getty Images
Bon Iver is headlining the American Family Insurance Amphitheater June 29 with special guests Lord Huron and Julien Baker.Kevin Winter
See the Zac Brown Band June 30.Joe Scarnici
The Killers are headlining July 5 with special guest Death Cab for Cutie.Kevin Winter
Willie Nelson's Outlaw Tour will headline at Summerfest.Jason Davis
The Avett Brothers will be performing at Summerfest 2019, on June 27! Jason Kempin/Getty Images for A+E Networks
Counting Crows will join Willie Nelson on his Outlaw Tour at Summerfest 2019! Noam Galai/Getty Images
Lionel Richie to headline Summerfest on July 2. Rich Polk/Getty Images for World of Childr
Jennifer Lopez to headline Summerfest July 3.Neilson Barnard/Neilson Barnard/Getty Images
ScHoolboy Q to headline Summerfest on July 7.Bennett Raglin/Getty Images for BET
Lil Wayne to headline Summerfest on July 7.Nicholas Hunt/Getty Images for TIDAL
Snoop Dog to headline Summerfest on July 7.Rodin Eckenroth/Getty Images