Cue the screams... Shirtless Harry Styles and Niall Horan strip down much to the delight of One Direction fans

PUBLISHED: 11:17 EST, 24 March 2013 | UPDATED: 12:13 EST, 24 March 2013

The boys of One Direction have the ability to make girls weak at the knees just by simply breathing.

So it's uncertain what the exact affect images of shirtless Harry Styles and Niall Horan could potentially have on the band's fans.

Pictured showcasing their toned physiques, the boys, both 19, appeared to misplace their tops in a few cheeky Twitter snaps.

What happened to your shirt? Harry Styles shows off some off his tattoo collection in shirtless Twitter snap

In the two shots of Harry, the curly haired teenager has clearly been caught off guard as he appears to be mid-sentence.

Pointing as he stares directly into the camera lens, Styles puts a few tattoos from his growing collection on display.

With the images causing quite a buzz on the Twittersphere as they circulate at a rapid pace, fans of the What Makes You Beautiful singer had only praises for the heartthrob.

One admirer tweeted: '{NEW PICTURE} of Harry shirtless... Can you get pregnant from this?'

While another wrote: 'What I want: Harry Styles. Shirtless. Now.'

'Can you get pregnant from this?': Fans from all over the world took to Twitter to post messages of approval

Meanwhile a photo of Harry's Irish bandmate Niall was also doing its rounds on the micro-blogging site on Sunday.

Proving that he's been pumping some iron in the gym, Horan looked confident as he walked through a hallway in a pair of blue tracksuit bottoms as he flashed his designer underwear.

And again sending supporters into hysterics, a message posted by one fan read: 'Niall Horan shirtless will be the death of me.'

'Niall Horan shirtless will be the death of me': The 19-year-old heartthrob confidently showed off his physique

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~Millie.. Not sure you mean their dingleberries. At least, I hope not...

- Jon G , Essex, United Kingdom, 24/3/2013 21:54

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This is news?? Words fail me!

- WendyM , Aberdeen, United Kingdom, 24/3/2013 21:54

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I actually think Harry's tattoo's could possibly be worse than the guy I see every morning that gets the same bus as me who happens to have tattoo's all over his head and down his neck...

- Grace , London, United Kingdom, 24/3/2013 21:44

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A Chipstick has more colour, & appeal than Harry Styles, he's so puny!!

- Fizz , uk, 24/3/2013 21:43

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He looks like a five year old scribbled all over him with a permanent marker.

- Lynnie , Norfolk, United States, 24/3/2013 21:42

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I wonder how many fans 1D would have if they were 15 kgs overweight

- LogieBear , New Zealand, New Zealand, 24/3/2013 21:40

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Such talentless ugly losers. Can't even hold a note. they have never done anything for anyone ever. everyone who likes them really needs to grow up and get a life. my boyfriend is so much hotter and more talented then them and he never gets this attention.

- Tamara21Heartford , heartford, United Kingdom, 24/3/2013 21:39

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Please go away.

- Homebird , Suffolk, United Kingdom, 24/3/2013 21:38

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Feel like donating some money to the 1D foundation, give these guys a proper meal!!!

- Skelly6000 , Liverpool, United Kingdom, 24/3/2013 21:37

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Ohmygodohmygodohmygodohmygodohmygod. I mean- no one cares.

- lu1820 , London, 24/3/2013 21:31

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