Marisa Miller tweets a photo of her “Bikini” body underwater as she joins the latest craze

Their bodies have proved their fortunes, making them millions. So it is perhaps not surprising that celebs like Marisa Miller need little encouragement to strip off.

The former Victoria's Secret angel joined the latest craze as she posted an underwater shot of herself swimming in her bikini on her Twitter feed yesterday.

In doing so she joined the likes of Bar Refaeli and Kim Kardashian, who have already shared similar snaps of themselves.

Pregnant form: Marisa Miller tweets a photo of her bikini body underwater as she joins the latest craze

Kim Kardashian showed off her swimming “Bikini” skills in the pool

She is kept busy with professional commitments all over the world, and rarely gets to spend time with her family other than when they are shooting reality show Keeping Up With The Kardashians.

So Kim Kardashian relished the chance to spend some time with her siblings as they enjoyed family time over the weekend.

However, despite making the most of the time with her sisters in the swimming pool, Kim couldn't resist getting her family to take some sexy underwater pictures of her.

Scroll down to see more pictures . . . .

Water baby: Kim Kardashian showed off her swimming skills in the pool yesterday, but couldn't resist getting her sisters to snap underwater pictures of her

Heidi Klum showed off her "Upskirt" panty to her twitter fans

After 20 years as a top model, Heidi Klum has a photo in her album for every occasion.

And the model was obviously feeling cheeky today, tweeting a vintage shot of herself leaning into a car and flashing her gold underwear.

The blonde model gave no hint as to the picture's provenance, writing simply 'whoopsie' in the caption.

Flash back: Heidi Klum tweeted this vintage shot of herself leaning into a car today, writing 'Whoopsie!'

The Sexiest “Bikini” book story

If you've been vacationing on Mars over the past fortnight, you may not have heard of 50 Shades Of Grey. For the uninitiated: it's now officially the fastest selling book OF ALL TIME.

Sexy Summer Girl in “Bikini” sunbathe

Girls look 500% fitter when the sun is out

Like black holes and radios not working in tunnels, the intense fitification (that's a word, right?) of girls in sunshine is one of the universe's great unsolved mysteries.

Somehow, miraculously, when the sun's out, Plain Janes across the land mutate into Kate Upton-alikes, and the high street is suddenly awash with women you can only assume have been in hibernation since last summer.

Sadly, the same can't be true of the millions of men across the country who will today sit at their desks rubbing aftersun into their crimson foreheads.

Pixie Lott posted some “Bikini” pictures on Portugal twitter pages

While the weather in England continued to make little improvement, Pixie Lott headed abroad to find some summer sunshine.
The Boys and Girls singer showed off her incredible bikini body while topping up her tan in Portugal, earlier this week.
The 21-year-old was joined by her boyfriend Oliver Cheshire and surprise guest from The Only Way Is Essex, Tom Pearce.

Party people: Pixie Lott looked amazing in her bikini as she holidayed in Portugal with her boyfriend Oliver Cheshire and TOWIE star Tom Pierce

Kylie & Kendall Jenner tweeted their “Bikini” suit in the American flag

Despite enlightening fans with their ridiculously bulging wardrobe during a filmed interview with Oprah Winfrey, there doesn't seem to be much point having access to so many clothes.

Largely because Kendall and Kylie Jenner spend most of their time in bikinis.

The sisters shared snapshots of themselves celebrating Independence Day by stripping off to their swimwear and posing against the privileged backdrop of a swimming pool in their backyard.

Feeling patriotic: Kendall Jenner tweeted this photo of herself posing by a swimming pool waving the American flag

Heidi Klum tweets “sexy Bikini” photos after admitting to marry again

She is making the most of single life since splitting from her husband of seven years.

And Heidi Klum has regularly posed scantily clad since she and Seal announced their divorce.

The supermodel was perfectly happy to show off her sexy figure today as she posted a photo which showed her leopard print bikini clad body to her Twitter page.

If you've got it, flaunt it: Heidi Klum posted this sexy photo of herself to her Twitter page

Candice Swanepeol posted a “Topless” picture on her Twitter account

She's in St Barts shooting the new Victoria's Secret swimsuit campaign.

But it appears that though Candice Swanepoel spends a fair bit of her time scantily clad, she's at her happiest when she's wearing nothing at all.

The 23-year-old posted a picture on Twitter today showing herself topless, laughing as she covers her modesty with her hands.

Happy indeed! Candice Swanepeol, who is currently shooting a Victoria's Secret campaign in St Barts, posted this snap on Twitter today, writing 'Happiness'

Tulisa Contostavlos “Black strip Bikini” for Ibiza Twitter page

In April Tulisa topped FHM's Sexiest Woman In The World list and ever since she has continued to show why she is deserving of the title.

The 23-year-old starlet unraveled her super toned bikini body on Twitter as she tops up her tan in party island of Ibiza.

Posing alongside her friends and other holiday makers Tulisa sent temperatures rising on the social networking site with two sultry pictures.

Well deserving of the title: Tulisa who is currently in Ibiza posted a picture to her Twitter page showing off her super toned and tanned bikini body

Emmy Rossum tweeted “Floral Bikini” picture from California pool

She has often shed her clothes in racy bedroom scenes as she plays Fiona Gallagher on her hit series Shameless.

So it's not surprising that Emmy Rossum keeps her figure in incredible shape.

And the 25-year-old actress showed off her fabulously toned body in a bikini yesterday as she did an energetic star jump into the pool.

Fun in the sun: Emmy Rossum showed off her super toned figure in a bikini as she star jumped into the pool at her home yesterday

Frankie Sandford “Bikini body” on holiday with Wayne Bridge

She's got one of the most taut stomachs in showbusiness.

So of course Frankie Sandford likes to show it off whenever she can.

The Saturdays singer has taken to Twitter to not only show off her impressive bikini body, but share a holiday snap as she laps up the sun.

Bikini body: The Saturdays' Frankie Sandford shows off her washboard stomach as she and boyfriend Wayne Bridge messed around with starfish on holiday

Miranda Kerr tweeted a “Bikini” picture today from idyllic

Most of us spend long hours at a drab desk in front of a computer.

But Miranda Kerr's office looks far more enjoyable.

The Victoria's Secret Angel tweeted a picture today from a beach photoshoot.

Wish you were here! Miranda Kerr tweeted a picture today from an unknown idyllic location

Michelle Heaton “Red Bikini” body on Bahamas

It's been five months since she gave birth and after rapidly regaining her pre-baby figure, you can't blame Michelle Heaton for wanting to show it off.

Enjoying a romantic holiday at the same Bahamas hotel resort where she wed two years ago, the Liberty X singer has been wasting no time in topping up her tan.

Her Irish husband Hugh Hanley has been proudly tweeting photos of his wife in a bikini and in a skimpy black dress.

Toned to perfection: Reality TV star Michelle Heaton shows off her impressive post-baby body in a red bikini

Uploading a photo of his wife in a red New Look two-piece, Hugh admitted they were at the pool bright and early: 'It may only b 8am here in Great Exuma but @wonderwomanshel is already beach ready.... #bahamasbaby.'

The couple have spent the past four days on a private island owned by Sandals in the Bahamas, where they tied the knot in July 2010.

Candice Swanepoel’s beauty “Nude & Toples” posted for a new magazine shoot

She is a Victoria’s Secret Angel and one of the highest paid models in the world.

So with a body that has turned her into a supermodel, Candice Swanepoel certainly isn’t shy about showing it off.

The South African beauty posed nude for a new magazine shoot and was so delighted with the results, she couldn’t resist sharing them with the world.

Heavenly: Victoria's Secret Angel Candice Swanepoel posted a nude photo from a shoot to her Twitter page

Kim Kardashian “Nude & Topless” photo tweet rumors

Kanye West and Kim Kardashian's photo tweet has been explained. On Wednesday, a nude photo of a woman that looked like Kim was tweeted, setting the internet ablaze. Rumors started that Kanye originally tweeted the picture which shows the nude backside of a woman eating at a table. That woman looks strikingly like Kimmy K.

Imogen Thomas “Colourful Bikini Bottom” on cheeky holiday pics

While the whole of England was experiencing a deluge of water fall, one person was enjoying the sunshine.

Imogen Thomas avoided the heavy rain and cloudy British skies by escaping to Italy and sharing her stunning view with her fans.

Once again the 29-year-old showed off her curvy body, this time by standing on the balcony of her picturesque hotel room.

Even better from the front! Imogen Thomas has been treating fans to shots from her Italian holiday

Show off: Imogen posted a picture of her curvy derriere and colourful bikini

Stacy Ferquson impressive “Multi-coloured Bikini” body during a holiday in Mexico

She may be on a hiatus from being in the spotlight, but Fergie is clearly not letting herself go.

The singer showed off her impressive bikini body during a relaxing beach holiday in Mexico yesterday.

The 37-year-old tweeted a snap of herself in a swimsuit, that revealed her toned figure and washboard stomach.

'Adiós Cancún!' Fergie shows off her impressive bikini body during a holiday in Mexico