At the tender age of 14, Justin Bieber stole the hearts of millions with his acapella YouTube videos and squeaky-clean image.
Six years later, the Canadian pop star is all grown up – and facing some very grownup problems to boot.
Indeed, the embattled singer has had a difficult year to say the least. Following his split from Selena Gomez, Justin has had to grapple with alleged eggings, reportedly diva-like behaviour, feuds with fellow musicians and, most recently, a DUI arrest in Miami.
As Justin celebrates his 20th birthday today – and his transition from adolescence into adulthood – HELLO! Online looks back at his life in the spotlight.