Made In Chelsea's Sam Thompson mocks co-star sister Louise yet AGAIN as he slips into a cropped jumper and mini-skirt in hilarious snap
He has developed a penchant for mocking his older sister Louise Thompson on Instagram.
And Sam Thompson was at it again on Thursday, as he slipped into sister Louise's skimpy wardrobe in a fun photo shared to Instagram.
The Made In Chelsea star, 26, donned an ab-flashing cropped jumper and blush pink ruffled skirt as he sampled some ice-cream in the quirky snap, with a matching image of Louise, 28, pulling off the same look.
![Sam Thompson was at it again on Thursday, as he slipped into sister Louise's skimpy wardrobe in a fun photo shared to Instagram](https://i.dailymail.co.uk/i/newpix/2018/09/14/11/50293CDD00000578-0-image-a-39_1536920683987.jpg)
Sam Thompson was at it again on Thursday, as he slipped into sister Louise's skimpy wardrobe in a fun photo shared to Instagram
Sam flashed his enviable abs and muscular arms in the hilariously ill-fitting top, while the skimpy skirt stretched across his strapping legs.
Pulling a playful pose with the spoon in his mouth, he wrote: 'Lock out the haters. We’re just out here trying to live our best life.'
In contrast Louise sultrily posed with a mouthwatering icecream, with her brunette tresses pulled up in a chic bun.
Accentuating her pretty features she sported smoky eye make-up and coral lipstick.
![Lookalikes: While the brunette beauty wins thousands of likes on the posts, hilarious Sam opted to swoop on his sister's penchant for promotion by mimicking her snaps](https://i.dailymail.co.uk/i/newpix/2018/09/14/14/5029FF0F00000578-6167751-Lookalikes_While_the_brunette_beauty_wins_thousands_of_likes_on_-a-2_1536930594021.jpg)
Lookalikes: While the brunette beauty wins thousands of likes on the posts, hilarious Sam opted to swoop on his sister's penchant for promotion by mimicking her snaps
Louise, who recently got engaged to her personal trainer beau Ryan Libbey, litters her social media accounts with sponsored posts, often publicising fashion brands.
While the brunette beauty wins thousands of likes on the posts, hilarious Sam opted to swoop on his sister's penchant for promotion by mimicking her snaps near-exactly - much to her chagrin.
He has posed up in a slinky lace mini dress and festive sequins to match his sister's showstopping looks.
The cheeky star even wrote beside one of the images: 'Just being strong and independent in our misspap loungewear... for discount use Louise's code: I'm a k**b'
In another, he wrote: 'Me and @louise.thompson slaying in sequins.'
![Playful: Sam got Louise's coquettish head tilt down to a fine art in this snap](https://i.dailymail.co.uk/i/newpix/2018/09/14/11/5029FE2A00000578-0-image-a-41_1536921213635.jpg)
Playful: Sam got Louise's coquettish head tilt down to a fine art in this snap
In a nod to Louise's penchant for fashion promotions, he name-dropped the brand, adding: 'Rocking our #motelrocks And you guys thought last week was a one off! Louise.....YOU'RE A BELLPIECE'
The public takedown began when Sam playfully attacked Louise's 'barrage' of Instagram posts by posting a shot of his own.
Luckily, Louise later saw the funny side, commenting on his post: 'I guess you're going to get endorsed by ladies frocks now?'
But she didn't let it deter her, taking to the photosharing site just hours later to post another shot of herself, this time clad in her lingerie.
Previously, Sam has publicly taken a stab at his sister when he used social media to make light of her dalliance with One Direction's Niall Horan in 2015.
He wrote on Twitter: 'You may have canoodled with my sister @niallhoran, but I sir have beaten your Evian table tennis rally score #Victory!!!'
Louise soared to fame starring in E4 reality series Made In Chelsea, which she has appeared in since the first series in 2011.
Her little brother Sam joined her on the series during series six and little over a year ago began dating co-star, Tiffany Watson - who is the younger sister of Lucy Watson.
![Fun: Louise soared to fame starring in E4 reality series Made In Chelsea, which she has appeared in since the first series in 2011](https://i.dailymail.co.uk/i/newpix/2018/09/14/14/5029FE1E00000578-6167751-Fun_Louise_soared_to_fame_starring_in_E4_reality_series_Made_In_-a-3_1536930594023.jpg)
Fun: Louise soared to fame starring in E4 reality series Made In Chelsea, which she has appeared in since the first series in 2011
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