Pop singers Justin Bieber and Liam Payne were often compared to each other which created a fierce rivalry. But once Liam candidly addressed their similarities, it appears the two managed to bury the hatchet with a heart-to-heart. Bonding over their shared experiences of being in the limelight from a young age, the stars formed a friendship, and now after the former One Direction singer's shock death last week, Justin paid a moving tribute. Liam died aged 31 after he fell from the third-floor