Elle Fanning is joined by sister Dakota at the star-studded Chopard Trophée ...

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She's on the jury of this year's  Film Festival.

And on Monday, Elle Fanning, 21, was joined by her elder sister Dakota, 25, at the star-studded Chopard Trophée dinner in , France.

The Teen Spirit star looked every inch the in strapless nude ballgown, while her fellow actress sister sparkled in a sleeveless sequinned dress with an asymmetric hemline.

Sister sister: On Monday, Elle Fanning, 21, (pictured) was joined by her elder sister Dakota, 25, at the star-studded Chopard Trophée dinner in Cannes, France

Sister sister: On Monday, Elle Fanning, 21, was joined by her elder sister Dakota, 25, (pictured) at the star-studded Chopard Trophée dinner in Cannes, France

Sister sister: On Monday, Elle Fanning, 21, (left) was joined by her elder sister Dakota, 25, (right) at the star-studded Chopard Trophée dinner in , France 

Elle's sweeping gown featured a pleated bust and central bow as well as embroidered flower detailing throughout the floor-length tulle skirt.

The Malificent actress donned a ruby encrusted Chopard necklace and matching bracelet, and styled her platinum locks into a half-up, half-down 'do.

Keeping her make-up to a minimum, Elle accentuated her natural with a slick of black eyeliner and a pretty peach pout.

Meanwhile, Dakota dazzled in a heavily sequinned lilac gown, which boasted a sheer under-layer, which was designed to trail down to a delicate train at once side.   

Gorgeous: The Teen Spirit star looked every inch the Hollywood beauty in strapless nude ballgown

Gorgeous: The Teen Spirit star looked every inch the in strapless nude ballgown

Pretty: Dakota sparkled in an ethereal sleeveless sequinned dress with an asymmetric hemline

Pretty: Dakota sparkled in an ethereal sleeveless sequinned dress with an asymmetric hemline

Pretty: Dakota sparkled in an ethereal sleeveless sequinned dress with an asymmetric hemline

Natural beauty: Keeping her make-up to a minimum, Elle accentuated her natural beauty with a slick of black eyeliner and a pretty peach pout

Natural : Keeping her make-up to a minimum, Elle accentuated her natural with a slick of black eyeliner and a pretty peach pout

Sublime: Dakota dazzled in a heavily sequinned lilac gown, which boasted a sheer under-layer, which was designed to trail down to a delicate train at once side

Sublime: Dakota dazzled in a heavily sequinned lilac gown, which boasted a sheer under-layer, which was designed to trail down to a delicate train at once side

Sublime: Dakota dazzled in a heavily sequinned lilac gown, which boasted a sheer under-layer, which was designed to trail down to a delicate train at once side

Summery: Dakota adorned her tresses with a pretty pink flowers to complete her look

Summery: Dakota adorned her tresses with a pretty pink flowers to complete her look

The gown also featured a long pink tulle bow at her hip, and the Ocean's 8 actress opted to accessorise with a Chopard bracelet and statement earrings.

Dakota boosted her height with strappy stilettos and adorned her tresses with a pretty pink flowers to complete her look.  

The sisters were joined by a host of stars at the Chopard Trophée dinner, including Marion Cotillard, Colin Firth and Chloe Sevigny.

Permanent pose: Elle was rarely caught off-guard, opting for a hand-on-hip pose which served her well throughout the evening

Permanent pose: Elle was rarely caught off-guard, opting for a hand-on-hip pose which served her well throughout the evening

Permanent pose: Elle was rarely caught off-guard, with a hand-on-hip pose which served her well throughout the evening

Happy lady: Elle was clearly enjoying her evening as she flashed a wide smile

Happy lady: Elle was clearly enjoying her evening as she flashed a wide smile

Classic: Marion Cotillard oozed sophistication in a black-and-white dress comprising two contrasting elements

Classic: Marion Cotillard oozed sophistication in a black-and-white dress comprising two contrasting elements

In good company: Marion was linked by Little White Lies actor Gilles Lellouche

In good company: Marion was linked by Little White Lies actor Gilles Lellouche

Sophisticated: Livia Giuggioli and Colin Firth looked sleek in classic black ensembles for the glamorous event

Sophisticated: Livia Giuggioli and Colin Firth looked sleek in classic black ensembles for the glamorous event

Sophisticated: Livia Giuggioli and Colin Firth looked sleek in classic black ensembles for the glamorous event

Stunning: Colin's wife jazzed-up her jumpsuit with a pillar-box red mani-pedi a sequin clutch bag and eye-catching Chopard jewels dangling from her ears and hanging around her neck

Stunning: Colin's wife jazzed-up her jumpsuit with a pillar-box red mani-pedi a sequin clutch bag and eye-catching Chopard jewels dangling from her ears and hanging around her neck

Keeping it classic: Colin Firth looked smart in a classic black tux with white pocket square and polished shoes

Keeping it classic: Colin Firth looked smart in a classic black tux with white pocket square and polished shoes

The 2019 Film Festival takes place at the iconic Palais des Festivals from Tuesday until May 25.

The Trophée Chopard highlights the up-and-coming generation of the international film industry and rewards both a young

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