She has starred as Arya Stark in Game of Thrones since she was 12 years old.

And Maisie Williams was spotted puffing on a vape on Tuesday as she moved on from her childhood role with new film project The Owners.

The New Mutants star, 22, looked far from her best-known character as she arrived on set in a green Ford Fiesta ahead of filming scenes for the 1990s-inspired thriller.

New project: Maisie Williams was spotted puffing on a vape on Tuesday as she moved on from her childhood role with new film project The Owners

Maisie wore an oversized, light wash denim jacket and off-white cargo trousers as she waited to be called onto the rural set in the UK.

Click here to resize this module

The actress also carried a red velvet-look backpack as she debuted a new strawberry-blonde hair colour for the Julius Berg-directed flick.

ADVERTISEMENT

She was later seen speaking through the window of a mud-splattered red car ahead of a scene in which she appeared in conversation with another actress.

Touch-up: The New Mutants star, 22, looked far from her best-known character as she arrived on set in a green Ford Fiesta ahead of filming scenes for the 1990s-inspired thriller

Back to work: Maisie wore an oversized, light wash denim jacket and off-white cargo trousers as she waited to be called onto the rural set in the UK

Maisie will star as Mary in the film, which is based on a comic - Une Nuit de Pleine Lune - by Belgian artist Hermann Huppen, BBC America reported.

The Owners follows childhood friends Nathan and Terry, who are talked into robbing the isolated home of an elderly doctor and his wife by a dangerous new friend.

Maisie's character Mary is the girlfriend of Nathan - the sole voice of reason in the ill-fated plan - who is left fighting for her life in a game of cat and mouse when the owners suddenly return home.

Tired? The actress also carried a red velvet-look backpack as she debuted a new strawberry-blonde hair colour for the Julius Berg-directed flick

New role: Maisie will star as Mary in the film, which is based on a comic by Belgian artist Hermann Huppen

Action! Maisie was later seen speaking through the window of a mud-splattered red car ahead of a scene in which she appeared in conversation with another actress

Character: Maisie will star as Mary in The Owners, which is based on a comic, Une Nuit de Pleine Lune (Night of the Full Moon), by Belgian artist Hermann Huppen

Also starring in the psychological thriller are Sylvester McCoy, Rita Tushingham, Ian Kenney, Andrew Ellis and Jake Curran.

Maisie's appearance on set comes after the Earlyman star revealed she had to wear a 'strap' across her chest to 'reverse puberty' whilst filming Game of Thrones.

The actress explained that growing up on the HBO series came with it's own challenges.

Most notably, the star admitted when she hit puberty she had to wear an uncomfortable strap to keep her chest flat whilst her character was 'pretending to be a boy'.

Plot: The Owners follows childhood friends Nathan and Terry, who are talked into robbing the isolated home of an elderly doctor and his wife by a dangerous new friend

Danger: Maisie's character Mary is the girlfriend of Nathan, who is left fighting for her life in a game of cat and mouse when the owners suddenly return home

Co-stars: Also starring in the psychological thriller are Sylvester McCoy, Rita Tushingham, Ian Kenney, Andrew Ellis and Jake Curran

Down time: Maisie waits on the rural set in the UK as filming gets underway for the psychological thriller

She told US show 60 Minutes: 'I mean, there was a few seasons in the middle where I had to wear, like ... like, a strap just to reverse puberty for the first few years while Arya was pretending to be a boy.'

But after a while, Maisie, who has been on the show since it's premiere in 2011, outgrew the garment and so producers gave her a 'chubby belly' to even out her frame, and she says the whole process didn't 'feel good'.

She added: 'And then it got to the point where the strap was no longer working. So, I was about 15, right, and he gave me, like, this little, chubby belly. So it would, like, even out the playing field quite.

Past role: Maisie's appearance on set comes after the Earlyman star revealed she had to wear a 'strap' across her chest to 'reverse puberty' whilst filming Game of Thrones

Game of Thrones: The actress explained that growing up on the HBO series came with it's own challenges

She said: 'I mean, there was a few seasons in the middle where I had to wear, like ... like, a strap just to reverse puberty for the first few years while Arya was pretending to be a boy'

Childhood role: Maisie began filming for Game of Thrones when she was 12 years old

'And then ... yeah, I was about 15 years old. Like, I kinda just want a boyfriend, honestly. I don't wanna wear this. This doesn't feel good.'

Now that Maisie's character has 'evolved', she no longer has to wear the uncomfortable additions to her costume.

ADVERTISEMENT

She told host Anderson Cooper: 'Yeah, but I think for the most part, we were allowed... our characters to evolve.

'I remember, I guess, like, season season six is when Arya gets her new costume, I think. And I remember I walked into my trailer one morning and there was a little bra and it was very exciting. I was like, I don't have to wear the strap anymore.'

Evolved: Now that Maisie's character has 'evolved', she no longer has to wear the uncomfortable additions to her costume

On set: Maisie speaks to another actress on set ahead of filming a scene for thriller The Owners