Kayla Itsines born on 21 May 1991

She traces her interest in fitness to playing basketball and other sports 

She graduated from the Australian Institute of Fitness at the age of 18 as a Master Trainer

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She got work at a women's gym in Adelaide 

She also started training her friends who wanted to improve their fitness 

Her cousin suggested using Instagram as a way of organising the photos

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In March 2013, she founded the Bikini Body Training company  

In April 2015, Apple featured Itsines in an advertisement for the Apple Watch 

Itsines and Pearce's net worth was estimated as A$486 million on the Financial Review 2019 

She is having 15.2 M followers on Instagram

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