Photo of Anthony Joshua as a teenager shows incredible body transformation.

Anthony Joshua went from skinny boarding school student to heavyweight champion of the world while sculpting an incredible body transformation through his dedication to boxingAnthony Joshua will go down in sporting history for being a two-time unified world heavyweight

boxing champion - and he had to spend years transforming his mind and body to get there.The Watford-born boxing icon spent time as a boarding school student in Nigeria before moving back to England to attend Kings Langley Secondary School from the age of 12.

Initially excelling at athletics, Joshua began boxing in 2007 at the age of 18 and went on to win gold with Team GB at the London 2012 Olympics before making his mark on the professional scene the following year.Turning pro back in 2013.

Joshua looked almost unrecognisable from his skinny teenage self, eventually weighing in at a career-high 18 stone for his 2017 defence against Carlos Takam.Joshua has been open about his grounded route into professional boxing having grown up on the Meriden Estate in Garston, and recently discussed his time in boarding school.