Photos: Emma Watson strips off and more fashion news

Welcome to the weekly fashion round-up, where we bring you the latest on supermodels, style, designers and everything in-between!

Which celebs are going topless for ad campaigns? Who is saying no to Botox?

Here's the lowdown on the latest fashion news!

Emma Watson strips off for beauty book

Harry Potter star Emma Watson has stripped off for James Houston's latest work Natural Beauty book.

In one of the teaser photos, the 22-year-old actress is seen dripping wet as she poses with her eyes closed while holding an orchid in her mouth, reported Ace Showbiz.

The book will compile 120 images of some of the world's leading models and celebrities that advocate for environmental awareness, including Christy Turlington, Adrian Grenier, Brooke Shields, Elle Macpherson, Karlie Kloss, Arizona Muse and Anja Rubik.

The photographic book will be launched during World Earth Week 2013 in New York and Los Angeles in collaboration with MILK Galleries NYC, with the goal to raise awareness and funds for the environment and sustainable living.

Text: PTI

Kate Upton has agreed to go to the high school prom with one of her teenage fan.

Jake Davidson, who made a two-minute YouTube video asking Upton to consider accompanying him to the event, received the shock after the Sports Illustrated Swimsuit Issue model accepted his request, News.com.au reported.

"I'm Jewish, 5'9" on a really good day - and I can't dance. At all," the Los Angeles teenager jokes in the video.

"You're Christian, 5'10", and that Cat Daddy video should have won an Oscar for best short film. You could say this is destiny," he said.

Davidson argued that despite all the differences, the pair has a lot in common.

"You like sports, I like sports. You like fine dining, I like fine dining. You're on the cover of Sports Illustrated. I read Sports Illustrated," he said.

The high school student was temporarily left speechless after he was discussing the video on the US breakfast show Today and Upton called in.

"This just got so much better now that you're on the phone. I'm telling you it will be a great night, great evening – I could even get the curfew extended hopefully by my parents maybe," he said.

"I hope you'd be interested if your schedule is free, and what time should I pick you up if you are interested?" he added.

The US model responded and told Davidson that she loved the video and will love to go to the prom with him but only if her schedule allows.

Text: ANI

Miranda Kerr has shared some tips to make long flights and hotel-room living a little healthier.

Drink lots of water, get plenty of rest and avoid alcohol on long flights to feel rested when you touch down, said the 29-year-old Vogue's April covergirl.

Kerr revealed that when travelling on long-haul flights she drinks plenty of water to keep hydrated and also has a blend of superfoods that she adds to a bottle of water to sip throughout the flight to ensure she is getting the vitamins and minerals needed, News.com.au reported.

The Australian model added that she avoids alcohol and tries to get lots of sleep - a silk eye mask and cashmere wrap are travel essentials, as are her Kora Organics Balancing Rose Mist and Vitamin Enhanced Lip Balm.

Kerr, who is married to actor Orlando Bloom, further added that the first thing she does when she arrives at her hotel is shower, dry body brush and takes a walk in the fresh air or do a quick workout at the gym.

Text: ANI

Katie Holmes, who is the face of a Han Stern's new jewellery collection, recently posed topless for a hot new advertisement for the brand.

The 34-year-old actress, who will be promoting the jewellery designer's 'Iris' in the US, posed in all seductive ways with heavy black smokey eyes and a fitted black-corset with different jewellery pieces from the collection, the Mirror reported.

Meanwhile a friend of Tom Cruise, Adam Shankman, who directed Rock of Ages has claimed that the Abandon star and Cruise, who have a 6-year-old daughter Suri together, are incredibly happy after their split.

Text: ANI

Naomi Watts has revealed that she wants to age gracefully as she is afraid that plastic surgery will make her look 'freakish' and ruin her ability to show emotion on screen.

The 44-year-old actress has no interest in participating in Hollywood's Botox trend because she believes that actresses with wrinkles land the best roles, Contactmusic reported.

The 21 Grams star told Good Health magazine that she does not judge anyone who does it, but most of the characters she play are going through some kind of emotional turmoil, so her job requires her to have expression and if her face was frozen, then what right does she have to play the part.

Watts explained that all the women who haven't done anything to their faces are still able to play great roles and some of the ones who have done something have messed it up because they end up looking weird.

The mum-of-two, who tries to keep her body looking youthful naturally by doing pilates, dance cardio among other sports, further added that for her it's about playing women with rich lives and the longer the life, the deeper the wrinkles.

Text: ANI

Karl Lagerfeld has cast Keira Knightley for the role of designer Coco Chanel in a short movie that he is going to direct.

The short movie will celebrate 100 years since the legendary designer opened her first Chanel boutique in the French seaside town of Deauville, the Mirror reported.

Knightley will be starring alongside models Stella Tennant, Tallulah Harlech, Brad Kroenig and his son Hudson in the movie.

The film will be screened in May during the fashion house's cruise collection, to be held in Singapore.

Text: ANI

Pregnant model Lara Stone posed in only a mini pinny as she served two huge glasses of red wine on a tray for her latest photoshoot.

The eye-popping pose of the pregnant model formed a part of a surreal shoot for i-D magazine's Spring Issue.

The Dutch model showed no signs of baby bump in the shots, the Sun Reported.

Another odd shot featured the head of the model in a fruit basket, creating the illusion that she had been decapitated.

The 29-year-old also perched on a headless wooden animal, wearing just a pair of star-adorned boots and a strategically-placed shag pile wrap.

Lara is one of five beauties to appear on separate i-D covers.

Text: ANI

Sofia Vergara has revealed that while her curves might be coveted, her assets make it slightly harder to get red-carpet ready.

The 40-year-old actress told Vogue magazine that she needs her outfits to be like an armory, the Huffington Post reported.

She said that her dresses are like a work of art inside because she is a grown up with a baby and a 32F boob.

Vergara said that she hasn't had any help from surgeons wielding silicone or saline and her breasts are still real.

Text: ANI

Caroline Wozniacki showed off her toned abs in a series of stunning black and white eye-catching images as she posed for a sexy photoshoot in her undies.

The 22-year-old tennis star has teamed up with Danish underwear brand JBS to launch her 'This Is Me collection', the Sun reported.

The girlfriend of golfer Rory McIlroy, who is well known for hitting smashes on the court, said that she choose to create her own underwear collection for the girl who wants the good looks from fashion, a perfect fit for her body, and a quality that's hard to beat.

One of the images features the former world No1 towelling herself down with the majority of her toned and trim physique on display.

In another sizzling image Wozniacki could be seen taking the weight off her feet and laughing as she sprawls out in a changing room.

The Danish tennis star could also be seen reclining down on a bench, flaunting her cascading tresses and impressive legs in the process.

Text: ANI

Eva Mendes, who has lost her curves for her gritty new film The Place Beyond The Pines, is not preoccupied with how she looks.

She told the Sun that to get her latest role as downtrodden Romina in upcoming crime drama, she made herself look as plain as possible for her audition for director Derek Cianfrance.

She said that she went kind of Jersey Girl on him and looked plain and simple, as she wore almost zero make-up.

But the 39-year-old actress then took that dedication one step further by embarking on a strict diet and losing about 15lb for the film, as she thought that it would add to her sense of being a little lost or sadder.

Mendes, who is dating actor Ryan Gosling, also confessed that she has gained most of her weight back as that was a lot for her to lose and that she didn't like the hard and toned look.

Mendes said that being sexy is just one component of who she is - it's a thing that she can tap into, just like she can tap into her funny, quirky or her dramatic side and it's not what she is.

She asserted that her looks had probably caused some directors and studios to shy away from her for certain roles.

She added that she is the one who is responsible for whatever image of herself she has put out there, as this business often wants to sexualise women and she understood that but at some point she got tired of being always thought of as "sexy" and allowed that description to define the kind of work she was doing.

Text: ANI

Heidi Klum has revealed that she manages to keep her body in shape by staying constantly on the go with her four children.

The 39-year-old actress, who separated from husband Seal last year, said that its hard for her to get time to work out from her busy schedule, so she merges her busy schedule with her children, People magazine reported.

The Ella Enchanted star said that when she goes for shopping she put on her sneakers with her fitness clothes and runs through the store or takes the dogs and the children and go up the canyon.

She said that she tries to put the exercise into my daily routine by jumping with her kids on the trampoline into the backyard.

Klum added that she cooks healthy at home, but also doesn't dine on the pasta and pizza, which her kids love to order when they eat out.

Text: ANI

R&B star Beyonce has been unveiled as the new face of the Swedish fashion brand H&M and is set to feature in the chain's global summer campaign.

Rumors first arose when the 31-year-old mother of one was spotted posing for a tropical shoot in the Bahamas in the New Year, while one of her dancers tweeted an accidental confirmation.

Now, Beyonce has announced her collaboration with the brand, reported Huffington Post.

"I've always liked H&M's focus on fun and affordable fashion. I really loved the concept we collaborated on to explore the different emotions of women represented by the four elements - fire, water, earth and wind. It was a beautiful shoot on a tropical island," she said in a statement.

For the new campaign, entitled "Beyonce as Mrs Carter in H&M", the singer was shot by photography duo Inez van Lamsweerde and Vinnodh Matadin in the Bahaman capital city of Nassau.

A new television ad has been directed by Jonas Akerlund, the man behind videos for the Rolling Stones, U2 and Madonna, while Standing On The Sun provides the soundtrack.

Beyonce had a say apparently in the pieces for H&M's high summer 2013 collection.

"What makes these pieces even more special is that Beyonce herself had input into the design, and they are full of her own personal style," said Ann-Sofie Johansson, head of design at H&M.

Text: PTI

Rapper Nicki Minaj says she loves applying a lot of make-up.

The 30-year-old rapper said that she is obsessed with contouring her face to enhance her features and believes cosmetics should be applied liberally with the help of a little imagination and lot of confidence, reported Contactmusic.

"I'm really into contouring to change the shape of my face. When it comes to putting on fake eyelashes, I use a little imagination, a lot of eyeliner, a steady hand and no fear. For me, more is more," Minaj said.

The American Idol judge has several fail-safe beauty secrets and says the key to flawless skin is using natural products and being meticulous about removing make-up.

"I never go to bed with my make-up on - ever. I drink tons of water and slather myself in cocoa butter. I have a dermatologist in LA who gave me some great advice - never use anything to wash my skin that contains alcohol or ail," she added.

Text: PTI

Singer-actor Justin Timberlake is reportedly saying goodbye to William Rast, the clothing line he launched with best friend Trace Ayala for his album Target in 2005.

According to sources, Timberlake is still involved in the brand but by the end of the year, he won't be anymore, reported Aceshowbiz.

Rast is known for its premium jeans. It has released several collections during New York Fashion Weeks but allegedly hasn't had any show since 2010.

"Not a lot of retailers wanted it. Because the perception is Justin's not involved, so why would anyone want to wear it?"

A spokesman for the clothing line says, without denying Timberlake's exit, that the Bad Teacher actor is "eternally" connected to the brand because it's "a combination of Justin's grandfather's name and Justin's best friend's grandfather's name."

Timberlake is currently promoting his comeback album The 20/20 Experience which is expected to have a sequel later this year.

He has also teamed up with designer Tom Ford to create a collection of clothing inspired by his album which has first single called Suit & Tie.

Text: PTI