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IT'S not just the steamy trysts and love triangles which have caught fans' attention on Love Island All Stars.

Viewers are going crazy over the contestants’ jaw-dropping swimwear - which seems to get more skimpy every series.

Roxy Sullivan tested the skimpy Love Island swimwear - including Molly Smith's cutaway cossie
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Roxy Sullivan tested the skimpy Love Island swimwear - including Molly Smith's cutaway cossieCredit: Rex

Experts reckon the infamous ITV2 dating show could be behind a surge in Brits buying swimwear in January, with sales for bikinis up a whopping 90 per cent, according to research from Simply Be. 

While there’s no doubt the islanders look great lounging around the pool in their cutaway cossies, just how practical are they to swim in? 

Brave Roxy Sullivan, 34, a personal trainer and triathlete from Bristol, put them to the test by swimming 10 lengths, doing a mixture of front crawl, backstroke and breaststroke.

She marked each costume out of five on style, comfort and durability - and it delivered some surprising results…

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Molly Smith, 29

Molly's cossie looked great - until Roxy tried to swim in it
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Molly's cossie looked great - until Roxy tried to swim in it

Brown swimsuit £145 Adora swim

Style: 4/5

Comfort :5/5 

Durability: 3/5 

Lengths: 6

Roxy says: “This was surprisingly comfortable to swim in but then I looked down and noticed my right boob had fallen out after six lengths.

"Style-wise, Molly’s is one of my favourites, but I wouldn’t wear it on a beach as I’d end up with some pretty extra tan lines.”

Love Island twins Jess and Eve Gale arrive in the villa with Joe Garratt

Hannah Elizabeth, 33

Hannah's crossover swimsuit fared surprisingly well in the pool
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Hannah's crossover swimsuit fared surprisingly well in the pool

Lime crossover swimsuit, £42, Marsthelabel

Style: 3/5 

Comfort: 5/5 

Durability: 5/5

Lengths: 10 

Roxy says: “When I saw Hannah’s bonkers cossie on telly I was afraid to walk in it, let alone swim in it!

"I thought it was going to fall apart as soon as I got into the pool.

"But it was surprisingly sturdy and after 10 lengths of breaststroke, back crawl and front crawl it stood the test of time.”

Kaz Kamwi, 29

Kaz's bikini gave poor Roxy a one-sided wedgie
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Kaz's bikini gave poor Roxy a one-sided wedgie
The bottoms also snuck down at the front while Roxy swam
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The bottoms also snuck down at the front while Roxy swamCredit: Olivia West

Gold wrap bikini top and bottoms, £60, Moda Minx

Style: 2/5

Comfort: 4/5 

Durability: 3/5 

Lengths: 10 

Roxy says: “After 10 lengths this cutaway costume is still on (just about) but it has fallen down a bit at the front, almost revealing my lady garden.

"I've also got a bit of a weird one-sided wedgie which isn’t a great look. I’m not sure Kaz's two-piece would have survived much longer.”

Demi Jones, 25

Demi's plunging swimsuit is definitely not suitable for the local leisure centre
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Demi's plunging swimsuit is definitely not suitable for the local leisure centre
During her swim Roxy felt very exposed
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During her swim Roxy felt very exposedCredit: Olivia West

Navy swimsuit £42 Marsthelabel 

Style: 5/5

Comfort: 5/5

Durability: 1/5 

Lengths: 1

Roxy: “I love the look of Demi's cossie, it's sexy and classy - until you swim in it!

"My boob popped out after just one length of back crawl and my other popped out shortly after! It also gave me a proper wedgie. 

“If I wore this down to my local leisure centre I’d definitely give the grannies a heart attack! Ladies, this is purely for posing in.”

Georgia Harrison, 29

Georgia Harrison's reversible bikini went baggy during Roxy's swim
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Georgia Harrison's reversible bikini went baggy during Roxy's swimCredit: Rex
Roxy said she was left feeling like she was wearing a nappy
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Roxy said she was left feeling like she was wearing a nappy

Pink bikini top, £10, Green bikini bottoms, £8, both PrettyLittleThing

Style: 5/ 5

Comfort: 4/5

Durability: 2/5

Lengths: 10 

Roxy: “I don’t really like bikinis with drawstrings at the side because they aren’t very sturdy and normally come undone when you’re swimming.

"While I love the skimpy, sexy look I didn’t have high hopes for this one - and I was proven right!

"After 10 lengths the front of the pants have gone all puffy and it looks like a nappy. I thought it was going to fly off any minute so Georgia's bikini is a no from me.” 

Liberty Poole, 24

Roxy liked the look of Liberty's bikini but the bottoms weren't practical for swimming
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Roxy liked the look of Liberty's bikini but the bottoms weren't practical for swimming

Green bikini top and bottoms, £47, Moda Minx 

Style: 4/5

Comfort: 3/5

Durability: 3/5

Lengths: 10

Roxy: “The bottoms are making my bum very confused. It’s not quite a thong and not quite a brief.

"My bum doesn’t know if it’s coming or going and it was trying to escape the whole time I was swimming, which was very off putting!

"Style-wise, Liberty's is one of my favourites as I feel very glamorous in it. But the bottoms are too precarious for my liking and they were hanging on for dear life at the end of 10 lengths.”

Georgia Steel, 25

Georgia's pink bikini went see-through in the water
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Georgia's pink bikini went see-through in the water

Pink bikini top and bottoms, £10, from PrettyLittleThing

Style: 1/5

Comfort: 1/5

Durability: 3/5

Lengths: 10

Roxy says: “Style-wise, Georgia’s is nice and skimpy but a bit boring compared to some of the other styles.

"I didn’t have much faith in it and thought my bits would start popping out, but it proved me wrong and stayed on after 10 lengths.

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"However, it did go completely see-through when wet, which isn’t ideal - especially when you’re smuggling peanuts!”

Love Island All Stars continues tonight at 9pm on ITV2 and ITVX.

LOVE ISLAND ALL STARS

Meet all the islanders on the latest series of Love Island

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