Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo 527508, Justin Bieber, Shirtless Pictures

Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo #527508. Justin Bieber shows off his abs while lounging around his hotel shirtless and in his boxer briefs on Monday (January 28) in Miami, Fl. The 18-year-old singer

Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo 527507, Justin Bieber, Shirtless Pictures

Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo 527497, Justin Bieber, Shirtless Pictures

Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo 2800346, Justin Bieber, Shirtless Photos

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Shirtless Justin Bieber shows off his man abs in Miami

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MIAMI, FL - AUGUST 18: Singer Justin Bieber goes shirtless in Miami on August 18, 2016 in Miami, Florida. People: Justin Bieber Stock Photo - Alamy

Justin Bieber: Shirtless & Underwear-Clad in Miami!: Photo 2800359, Justin Bieber, Shirtless Photos

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Justin Bieber's White Underwear Turns See Through While Wakeboarding in Miami!: Photo 3698677, Ashley Benson, Justin Bieber, Ryan Good, Shirtless Photos