Today, Justin Bieber graced the cover of Complex's 10th Anniversary Issue. It's no secret that the world's biggest pop star is infatuated with hip-hop—and JayBee isn't catching flack for it, either. Hip-hop has embraced the Canadian kid, and with collaborators like Drake and Kanye West, we fully expect that his next album, Believewill bring out his rap side more than ever. Whether you're a skeptic or a true believer, keep reading for a recap of Justin Bieber's Most Hip-Hop Moments...