She stars as Mystique in the new X Men: Dark Phoenix film.

And Jennifer Lawrence ensured she took centre stage as she attended the premiere for the new movie alongside the star-studded cast at Hollywood’s TCL Chinese Theatre on Tuesday evening.

 The actress, 28, showcased her cleavage in a deeply plunging black gown, which was cinched around her lithe waist with a thin black leather belt.

Wow! Jennifer Lawrence ensured she took centre stage as she attended the premiere for the new movie alongside the star-studded cast in Los Angeles on Tuesday

Jennifer’s gown, which featured a low-cut neckline, featured T-shirt style sleeves and followed out into a flowing skirt which trailed behind her on the red carpet.

She added glitz to her look with a statement pendant necklace which was adorned with dazzling diamonds as well as a shimmering tennis bracelet.

The Hunger Games star wore her blonde locks in loose tousled waves which framed her pretty face, while working some of her tresses up into a chic up do.

Sexy: The actress, 28, showcased her cleavage in a deeply plunging black gown, which was cinched around her lithe waist with a thin black leather belt

Sultry: Jennifer’s gown, which featured a low-cut neckline, featured T-shirt style sleeves and followed out into a flowing skirt which trailed behind her on the red carpet

Dazzling: She added glitz to her look with a statement pendant necklace which was adorned with dazzling diamonds as well as a shimmering tennis bracelet

Jennifer opted for a glamorous coat of make-up, including a shimmering bronze eye shadow look with lashings of mascara and eye liner, as well as nude lip.

During an interview on the red carpet, Jennifer enthused that her engagement to Cooke Maroney ‘was a very easy decision’.

The Oscar-winning star couldn’t help but sing the praises of her fiancé Cooke, 34, as she gushed ‘he’s the best person I’ve ever met’, reports Entertainment Tonight.

Chic: The Hunger Games star wore her blonde locks in loose tousled waves which framed her pretty face, while working some of her tresses up into a chic up do

Glam: Jennifer opted for a glamorous coat of make-up, including a shimmering bronze eye shadow look with lashings of mascara and eye liner, as well as nude lip

‘Well, he’s just the best person I’ve ever met in my whole life. It was a very, very easy decision,’ the X-Men stalwart said of the art gallerist.

The couple, who have kept a low profile since they started dating, were first pictured together in June of 2018.

In February, Jennifer was spotted wearing an impressive diamond ring, with the coupe confirming their engagement later that month.