Naomie Harris looks effortlessly stunning in casually chic one-shoulder top as she attends Moonlight screening in London

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She rarely puts a foot wrong with her fashion choices.

And Naomie Harris certainly did not disappoint on Monday, as she stole the show at the screening of her new film Moonlight at London's Soho Hotel.

The 40-year-old looked truly stunning in a one-shouldered top and loose fitting trousers as she posed for cameras at the swanky venue.

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Gorgeous: Naomie Harris, 40, looked truly stunning at the screening of her new film Moonlight in London on Monday

The 28 Days Later star looked as glamorous as ever in her trendy trouser and top ensemble. 

The white blouse, adorned with classic vertical black stripes, cut into a feminine frill across one shoulder to show off her decolletage and gorgeous, glowing skin.

Perfectly achieving the mixed pattern trend, Naomie teamed the top with a pair of high-waisted trousers, which cut into cream and navy panels to elongate her already enviably statuesque frame.

Showing her stripes: The white blouse, adorned with classic vertical black stripes, cut into a feminine frill across one shoulder to show off her decolletage and gorgeous, glowing skin

Model material: Naomie teamed the top with a pair of high-waisted trousers, which cut into cream and navy panels to elongate her already enviably statuesque frame

She swept her curled, brown tresses to one side and sported minimal make-up - to let her stunning natural beauty and clean complexion shine through. 

First posing alone, the Islington-born actress was then joined at the screening by her adorable co-star Alex Hibbert, 12.

The youngster, who plays her son in the new film, looked a professional in front of the cameras despite his age as he posed confidently in a stylish black and white printed shirt and cool black jeans.

Teaming up: First posing alone, the Islington-born actress was then joined at the screening by her adorable co-star Alex Hibbert, 12

Like a pro: The youngster, who plays her son in the new film, posed confidently despite his age in a stylish black and white printed shirt and cool black jeans

The pair united at the event for a screening of their new movie Moonlight, followed by a Q&A with guests. 

The blockbuster chronicles the life of a young black man from childhood to adulthood, as he struggles to find his place in the world while growing up in a rough neighborhood of Miami.

Naomie plays Paula - a drug-fuelled single mother who struggles to raise her son Chrion in his youth during the early scenes of the flick.

What a pair: The pair united at the event for a screening of their new movie Moonlight, followed by a Q&A with guests

While she looks almost unrecognisable as her troubled character, the Skyfall actress revealed that she had just three days to play the role.

For Naomie, who neither drinks nor smokes, she admitted she had to resort to Youtube to nail the characteristics in such a short space of time.

‘It’s an important aid for an actor,’ she told MailOnline. ‘I watched videos of people addicted to drugs.’

Continuing that she had also had no time to rehearse with the other actors when she arrived on set, she added:  ‘I got there and the cameras started rolling. Over the course of three days I aged 15 years. 

Hard-hitting: The blockbuster chronicles the life of a black man from childhood to adulthood, as he struggles to find his place while growing up in a rough neighborhood of Miami

'It was a combination of make-up, wigs and a change in physicality. We had to cram in so much that I probably felt 15 years older!’ 

However the hectic schedule has proved to have been worthwhile, as she has been inundated with award nominations for the role. 

Earlier this month she was nominated for a Golden Globe for Best Supporting Actress, and has gone on to receive recognition in the same category at the BAFTAs and the Screen Actors Guild Awards.

The beauty will also no doubt be anticipating the prestigious Academy Award nominations, which are revealed on Tuesday.  

Success story: Naomie plays Paula - a drug-fuelled single mother - and the role has bagged her Best Supporting Actress nominations at the Golden Globes, BAFTas and SAG awards