Fashion Rocks is an annual international charity fundraiser event, which features fashions by the world's top designers being presented to live performances by popular music acts.
Justin was on the show in 2014 and suddenly he announced, "I actually don't feel comfortable unless I'm in my Calvins." He then began to shed clothing, stopping only when all he had on was a pair of the designer's black boxer briefs. Once he was mostly naked, however, things turned around for the performer: His posing and flexing for the camera caused some fans to scream over the booers.
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