The 15 Biggest Fashion Fails From The Grammys After Parties, Including Extremely Casual Looks

3. Justin Bieber

The Canadian pop star did not feel like dressing formally—or dressing at all. For the party at The Bird Streets Club, Justin went shirtless in an open green hoodie with low-rise, baggy jeans that showed off his pink boxer briefs. “He dressed for the Grammy's? or was that laying on the floor next to his bed when he got up?” one viewer wondered. During the ceremony, the musician performed Yukon without his top on.