Tammy Hembrow reveals the secret behind her bodacious booty as she shares ...

She's staunchly denied rumours that her derriere has been enhanced by surgery.  

And  fitness model, Tammy Hembrow, 24, has sent a clear message to her detractors by revealing the secret to achieving her sizable backside lies in sweating it out at the gym.

The Gold Coast mother-of-two took to Instagram Stories on Wednesday to share her three-step workout plan for growing the glutes. 

Scroll down for video 

In the process she also offered her 9.3 million followers a generous glimpse of her buttocks in tight activewear as she performed several exercise drills at the gym.

Clad in a form-fitting hot pink crop top and a pair of shorts, Tammy executed a squat while holding a free weight with both hands in the first video. 

She turned her backside to the camera and then lowered herself downwards- all the while offering viewers a generous look at her posterior.  

That's peachy!  Fitness model, Tammy Hembrow, 24, revealed the secret to achieving her sizable backside when she shared a series of workout demonstration videos to Instagram Stories on Wednesday

That's peachy!  Fitness model, Tammy Hembrow, 24, revealed the secret to achieving her sizable backside when she shared a series of workout demonstration videos to Instagram Stories on Wednesday 

'These damn sliders always killing me': Tammy showcased her fitness prowess as she was seen performing a gruelling drill where she tucked her knees into her chest while her feet were placed on sliders

'These damn sliders always killing me': Tammy showcased her fitness prowess as she was seen performing a gruelling drill where she tucked her knees into her chest while her feet were placed on sliders

Breaking a sweat! In the third clip, the buxom blonde was seen performing a side squat where she moved rapidly from side to side while holding a round iron disc

Breaking a sweat! In the third clip, the buxom blonde was seen performing a side squat where she moved rapidly from side to side while holding a round iron disc

In the next video, she tucked her knees into her chest while her feet were placed on sliders. 

Tammy revealed she finds the move particularly challenging, captioning the clip: 'These damn sliders always killing

read more from dailymail.....

Get the latest news delivered to your inbox

Follow us on social media networks

NEXT Kourtney Kardashian goes casual chic as she attends Kanye West's Sunday church ...