The Bush frontman, 51, looked dapper as the trio all coordinated in black suits. Rossdale switched into more comfortable clothes when he later performed with his rock band.
“Kingston and Zuma are here,” he told the crowd while on stage. “My boys, I love you with all my heart.”
He added: “I’m so happy to be here.”
An onlooker tells Us Weekly that Rossdale was “really attentive” with his children. “The kids were backstage and also came out to a table to watch part of the show,” the eyewitness says. “He was concerned about where they would be when he performed.”
Rossdale and Stefani, 47, are also parents of son Apollo, 2. The exes announced they were ending their 13-year marriage last August and finalized their divorce in April. (Stefani has been dating Blake Shelton for more than a year now.)
“It’s like enough already. I’ve got to move on. Everyone has got to move on. For me, it’s just thinking about the boys and how to prioritize them,” he said. “Somehow you have to put one foot after the other and make it happen.”
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