Rebel Wilson shows off her 40Ib weight loss as she flexes her muscles with Ant Middleton

Rebel Wilson shows off her 40Ib weight loss as she flexes her muscles with Ant Middleton while filming new show on location in Mexico

The results of a gruelling health and fitness regime were back on display as Rebel Wilson teamed up with Ant Middleton on Thursday. 

The Australian actress has lost more than 40Ibs following a dramatic lifestyle change, and her slimmer physique commanded attention as she posed for photos alongside the SAS: Who Dares Wins instructor. 

Looking notably trim, Rebel, 40, flexed her muscles as the pair stood alongside one another on a rugged stretch of coastline.  

Looking good: The results of a gruelling health and fitness regime were back on display as Rebel Wilson teamed up with Ant Middleton on Thursday

The pair are currently in Mexico while filming new endurance based show Straight Talking, and have kept fans updated with a series of photos and videos while on location.  

Sporting a red shirt and matching leggings, Rebel also posed next to Middleton, 39, alongside a dune buggy used throughout the show. 

Rebel wore a red bandana around the lower half of her face and styled her wavy long blonde locks out. 

Fit and healthy: The Australian actress has lost more than 40Ibs following a dramatic lifestyle change, and her slimmer physique commanded attention as she posed for photos

Fit and healthy: The Australian actress has lost more than 40Ibs following a dramatic lifestyle change, and her slimmer physique commanded attention as she posed for photos

In another photo taken on location the Pitch Perfect star placed both her hands on hips while posing next to Middleton.

‘Ant Middleton trying to interrogate me,’ she captioned the post.

Earlier this week, Rebel sent fans into a frenzy when she teased a collaboration with the former Royal Marines Commando on Instagram.

According to The Sun, he will be taking Rebel on a ‘journey of discovery’ for the second installment of his Straight Talking series in Mexico.

The show is the perfect way for Rebel to top off her ‘year of health’, which has seen her shed an incredible 20kg. 

Busy:  The pair are currently in Mexico while filming new endurance based show Straight Talking, and have kept fans updated with a series of photos and videos while on location

Busy:  The pair are currently in Mexico while filming new endurance based show Straight Talking, and have kept fans updated with a series of photos and videos while on location

Filming: Rebel wore a red bandana around the lower half of her face and styled her wavy long blonde locks out

Filming: Rebel wore a red bandana around the lower half of her face and styled her wavy long blonde locks out

Coming soon! Earlier this week Rebel sent fans into a frenzy when she teased a collaboration with former Royal Marines Commando Middleton on Instagram

Coming soon! Earlier this week Rebel sent fans into a frenzy when she teased a collaboration with former Royal Marines Commando Middleton on Instagram

Phil Edgar-Jones, director of Sky Arts and Entertainment at Sky, told the publication: ‘Ant’s finely honed skills in interrogation and strategic questioning along with his open and friendly nature will help him get to know the real Rebel Wilson, amidst the incredible backdrop of remote Mexico.’

Rebel will also discuss her weight loss, being in the public eye, and her private life.

She’ll get to open-up on the journey about experiencing press scrutiny; and likewise, gets to grill Middleton on questions about his own background.

The pair will also take on thrill-seeking ventures including buggy racing and deep-sea diving.

Journey: Middleton will be taking Rebel on a 'journey of discovery' for the second installment of his Straight Talking series in Mexico

Journey: Middleton will be taking Rebel on a ‘journey of discovery’ for the second installment of his Straight Talking series in Mexico