Keeping Up With The Kardashians star Caitlyn surprised crowds on Friday in Los Angeles when she introduced the Culture Club frontman and his band on stage.
Caitlyn told the crowd: "Thank you very much! Thank you! Caitlyn Jenner in the house for her first Boy George concert!
"This is going to be a good group. Thank you so much. Enough about me. Thank you for being here tonight. This is so much fun for me and let's hear it here at the Greek Theatre for Boy George!"
Former Olympian Caityln, who was recently awarded the ESPY Arthur Ashe Courage Award, arrived at the concert wearing a black leather jacket, black boots and a grey dress.
Boy George later told the packed venue: "I expected a standing ovation for her and I wasn't disappointed. We need to celebrate the kinds of changes that are happening."
Caitlyn's new docuseries on E!, I Am Cait, details her transition and life as a woman. It premieres in the UK on Sunday 2 August at 9pm on E!
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