Rosie Huntington Whiteley showcases six pack three months after giving birth to first child

Rosie Huntington-Whiteley shared this picture on Instagram

Rosie Huntington-Whiteley seen out in Manhattanon April 9, 2017 in New York City. (Photo by Robert Kamau/GC Images)

Actor Jason Statham and model Rosie Huntington-Whiteley attend 'The Fate Of The Furious' New York premiere at Radio City Music Hall in New York, U.S. April 8, 2017. REUTERS/Eduardo Munoz

Jason Statham and model Rosie Huntington-Whiteley at the Oscars Vanity Fair Party 2017. Picture: REUTERS/Danny Moloshok

Model Rosie Huntington-Whiteley walks the runway during the 2010 Victoria's Secret Fashion Show at the Lexington Avenue Armory on November 10, 2010 in New York City. (Photo by Theo Wargo/Getty Images)

Rosie Huntington-Whiteley celebrates the launch of the Rosie HW x PAIGE Fall Collection at the PAIGE Brentwood Store on September 6, 2017 in Los Angeles, California. (Photo by Charley Gallay/Getty Images for PAIGE)

Model Rosie Huntington-Whiteley attends 'The Fate Of The Furious' New York premiere at Radio City Music Hall in New York, U.S. April 8, 2017. REUTERS/Eduardo Munoz

Rosie Huntington-Whiteley wearing custom-made Ralph Lauren at the Met Gala 2016. Photo: Getty

Jason Statham and Rosie Huntington-Whiteley seen out in Manhattanon April 9, 2017 in New York City. (Photo by Robert Kamau/GC Images)

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September 12 2017 10:56 AM

Rosie Huntington-Whiteley isn't wasting any time getting back to her supermodel self.

The former Victoria's Secret Angel (30) welcomed her first child with fiancé Jason Statham in June and she has been enjoying her maternity leave in recent months, having only made one public appearance earlier this month.

Jason Statham and model Rosie Huntington-Whiteley at the Oscars Vanity Fair Party 2017. Picture: REUTERS/Danny Moloshok

On Monday, she shared a picture of herself lounging on her couch, displaying her toned stomach in a striped crop top in her LA home, minus any makeup.

The British model, who is mum to Jack Oscar, is famous for her discipline when it comes to maintaining her figure - foregoing sugar, alcohol, dairy and gluten in a bid to stay toned, previously describing her regime as "brutal".

"Recently, I decided to try a diet plan by a doctor called Dr. Nigma Talib, and she is actually a naturopath, and she believes that good skin and well being starts with the gut," she told InStyle last year. "And so she said to me, 'If you want to get on my plan, you have to cut out sugar, dairy, gluten, and alcohol.'

"And I'm not gonna lie, it's been brutal. It's been a really big challenge. It took a couple of weeks to kind of get into it."

Rosie Huntington-Whiteley celebrates the launch of the Rosie HW x PAIGE Fall Collection at the PAIGE Brentwood Store on September 6, 2017 in Los Angeles, California. (Photo by Charley Gallay/Getty Images for PAIGE)

Rosie, who is engaged to action star Jason Statham, said she had to reprogramme her approach to what constitutes a balanced meal in a bid to avoid the bloating that comes with "wine face" or, the less clear "gluten face".

"I grew up on a farm so it has always been about meat and two veg. Now, I am building much more awareness of a healthy balance," she explained. "It's certainly not something that would be realistic to keep up all year round, but it's made me much more mindful of my choices."