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Considering it's a film about kinky dynamics in the bedroom, Dakota Johnson struck just the right note at the Los Angeles premiere of film sequel Fifty Shades Darker.

The 27-year-old arrived to the event in a revealing but elegant dress on Thursday night.

The daughter of Melanie Griffith and Don Johnson opted to go without a bra as she stunned in a very plunging dress.

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Dressed for the occasion: Dakota Johnson arrived to the Los Angeles premiere of Fifty Shades Darker in a revealing but elegant dress on Thursday night

The star's hair was worn in an elegantly loose updo, while drop earrings and a deep crimson lipstick added to the look. 

She joined co-star Jamie Dornan - who plays the title character Christian Grey at the event with the Northern-Irish born actor looking dashing a well-tailored navy suit. 

The 34-year-old wore his hair closely cropped with a thick beard making him look markedly different from his clean cut movie alter ego.

A white dress shirt, striped tie and camel-colored shoes completed the look. 

Co-star action Jamie Dornan looked dapper in a navy blue suit and white shirt 

Go nude... in a plunging dress like Dakota's

Valentino Spring 2017 Ready-to-Wear

Shop the current collection at Net-a-Porter

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There are plunging dresses and then there are plunging dresses.

Dakota Johnson took a risk at the Los Angeles premiere of Fifty Shades Darker, wearing a nude gown with a daringly low neckline and a flattering oversized fit.

While doing the rounds to promote the film, she has worn everything from her go-to Gucci, to Mugler, Sonia Rykiel and The Vampire's Wife. Bravo to her stylist Kate Young!

But this gorgeous gown is by Valentino and hails from the SS17 collection. It's a simple but oh so effective look that's all about the silhouette, and when teamed with some choice jewelry and swept-up hair, she looked fifty shades of flawless!

Unfortunately this gown isn't currently available to buy, but click (right) to check out the current Valentino collection at Net-a-Porter. Or do it like Dakota in one of the alternative versions we've picked out for you in the edit below.

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Taking it in: The daughter of Melanie Griffith and Don Johnson opted to go without a bra as she stunned in a very plunging dress

Picture perfect: Considering it's a film about kinky dynamics in the bedroom, the 27-year-old struck just the right note

Contrast: Dakota's hair was worn in a loose updo while crimson lipstick added to the look  

Star in striped: Jamie looked dapper in a white shirt and grey tie  in a nod to his alter ego 

The premiere was a star-studded event, with A-listers coming out in their sexiest attire to celebrate the upcoming opening.

Attendees included Kim Basinger, Noah Cyrus and Halsey, who each got the all-black memo and pulled off gorgeous looks in their own respective styles.

Rita Ora also made an appearance, but she opted for a flirty, floral dress with enough fabric to spare for those went on the skimpier side.  

Part of the trio: Fifty Shades Darker is the second instalment in the franchise, which will be followed by Fifty Shades Freed in 2018; the first film was called Fifty Shades of Grey

Leading man: Jamie Dornan, 34, plays the title character Christian Grey, with all of his flaws, to perfection in the series

She can't win! 'I either hate sex toys - so why am I doing this movie? Or I love them and I'm a sex fiend,' the star recently said of her comments taken out of context during interviews

Looking back: Johnson glanced over her shoulder and showed off her toned back

Rita plays Christian's sister Mia in the film, while Kim stars as his former lover Elena Lincoln.  

The film is the second instalment in the franchise, with the sequel Fifty Shades Freed already planned to follow to complete the trio in 2018. It all started with Fifty Shades of Grey, which premiered in 2015.

It continues the story between bondage-obsessed billionaire Christian Grey and his lover Anastasia. Christian is wrestling his inner demons while Anastasia is confronted by his troubled past lovers. 

Snap happy: The film has received a substantial amount of press attention

Greeting the fans: The stars said hello to attendees in Hollywood

Filming the second instalment in the Fifty Shades franchise has meant even more steamy scenes and nudity for the two actors. 

But Dakota says the trust between she and Jamie made shooting such intimate moments a lot easier. 

'Nudity is really interesting for an actor,' she recently told Vogue magazine. 'Jamie and I worked so incredibly closely for so long. There were no inhibitions, and it was very honest, very trusting.  

Glam gals: Dakota wasn't the only glamorous girl on the carpet, as she was joined by co-star Rita Ora

Floral fashionista: Rita, who plays Christian's sister in the films, put on a leggy display in a layered floral gown

Pretty petal: The British singer looked the epitome of spring chic as she cosied up to the A-List actress, keeping a hold of her waterfall frock on the hemline

Smile! The two stars were all smiles as the cosied up together in front of the cameras

'But I mean, what a gamble! What if he had turned out to be a total d**k? There's no make-up. There are no clothes to tell you a bit about the story. There's no jewellery to give you a clue about social status. So it becomes purely about the performance.'

She added to Entertainment Tonight: '[Filming the sex scenes] was definitely not as petrifying as the first time. 

'It never gets [easy], but because we've become so close it was a lot easier to make [the scenes] special.' 

Bringing the drama: Rita's ensemble featured a long train and short skirt at the front 

Style assistance: Rita needed some help to arrange her extravagant dress 

Flouncing: Rita ensured she made a memorable appearance on the carpet 

However, the actress says she was always 'pretty adamant' she would star in the Fifty Shades trilogy.

The 27-year-old actress' parents - actors Melanie Griffith and Don Johnson - were understandably concerned about their daughter playing Anastasia Steele in the raunchy movies but Dakota insists she didn't give them a 'choice' but to let her do it.

She told news.com.au: 'When I was growing up I was taught that women are beautiful. We should be comfortable with our body and there's nothing wrong with it. That came from my mother.

'I think I am equally as sensitive as I am tough. I just feel things more than the average human maybe. And when it comes to taking on this role, they didn't have a choice. I was pretty adamant ... '

Star-studded: Kim Basinger arrived in a flounced dress with her blonde hair worn in loose tousled style 

Scorned: Kim stars as Christian's former older lover Elena Lincoln 

The woman responsible: The bedroom-heavy series based on the books written by EL James

Getting darker: Dakota and Jamie have forged a friendship after starring in the Fifty Shades films

'I think they would like to be able to see the movies that have put me in this place in my life, but because it's pretty inappropriate, they haven't seen them.

'They don't judge me on what projects I decide to do. They judge me on what kind of human I am to other humans.'

And the brunette beauty says the latest instalment in the film franchise is 'more about discovering Anastasia's arc as a woman' and Dakota enjoyed being able to film some 'emotionally intimate' scenes with her co-star, who has become a close friend.

A-listers: Noah Cyrus got the all-black memo, sporting a sheer dress over underwear 

Extreme measures: Halsey sported a plunging black dress with mesh skirt detail 

Slim and trim: The star ensured she showed off her slim figure to maximum effect 

Going for gold! Bella Heathcote arrived in a dramatic metallic number 

Her co-star Jamie, meanwhile, echoed Dakota's remarks on their friendship.

He told Entertainent Tonight: 'I was only cast five weeks before we started filming the first movie, and that's when I met Dakota [Johnson] for the first time. [Now] it's been three years, [and] Dakota and I are very close. 

'We've got a great sort of love and respect for each other. We're great friends and I think that makes it easier, you know? So it's definitely more comfortable.'

Fifty Shades Darker will be released on February 10 in the US. 

Promotion: Marcia Gay Harden plays Christina's mother Grace in the film 

Eclectic: Stassi Schroeder sported cream, while actress Violett Beane wore a strapless top and flounced skirt and Tameka Cottle was truly unusual in a blue dress with a sheer and black embroidered top covering her modesty