05/03/2015 07:12 GMT | Updated 20/05/2015 06:12 BST

Meet The Ultimate Instafittie

You've heard of Kayla Itsines, right? The personal trainer whose bikini bootcamp training style has bagged her over 2 million Instagram followers and just as many women devoted to her daily workouts.

Kayla Itsines/Instagram

If you haven't, you need to acquaint yourself with her body and her ethos – stat.

The Aussie wasn't too impressed with the same-old workouts and training regimes offered in her local gyms and online after qualifying as a personal trainer, so she decided to come up with her own. As client after client felt better about themselves - and noticed slimmer thighs, toned arms, flatter stomachs – Kayla's Bikini Body Guide became the go-to workout for Adelaide's fitness fans and she soon blew up on Instagram after posting before and after pics of her transformations.

Kayla Itsines/Instagram

Now there's over 2 million women in #KaylasArmy and the 23-year-old is embarking on a world bootcamp tour later this year, including the UK!

We caught up with Kayla (time difference? Pah!) to bring you all you need to know about Instagram's hottest fitness guru...

First things first, how long did it take to get your insane body to look like that?

It's taken me over six years to gain the strength that my body has today. I love the fact that I can see it thrives off the exercise that I do and the nutritious foods that I eat to fuel it.

Have you always been into fitness?

I was always involved in sport during school, where I played basketball. I actually went on to study beauty therapy after graduating but my love of sport and fitness took over and I signed up to study personal training at the Australian Institute of Fitness instead. It was the best decision I ever made!

What can a new fan expect from your regime?

The three weekly resistance workouts go for 28 minutes, require minimal equipment and can be used by almost all fitness levels. Outside of these resistance sessions there's a comprehensive week-by-week cardio guide that breaks down different types of cardio, how they all work together and why they work. I thought that the science behind my guide was almost more important than the programme so I made sure I incorporated it inside the books with an extensive education section.

Why do you think women love your approach to fitness so much?

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