Kane grew up listening to country music, but became interested in R&B music in middle school.
The two stepped out for the KURIOS - Cabinet of Curiosities Cirque du Soleil show Friday night in Los Angeles.
They later went to The Nice Guy in West Hollywood, where Justin Bieber gave an impromptu performance on the piano.
He released his first full-length album, the self-titled Kane Brown on December 2, 2016.
The single "What Ifs" was released the debut album, and in October 2017 Brown became the first artist to have simultaneous number ones on all five main country charts.
A single from the EP, "Don't Go City on Me", was first released on October 22, 2014, and it reached number 43 on the Country Digital Songs chart.