The fashion designer, 50, has joined forces with Mytheresa on an exclusive capsule collection for partywear this season.

Celebrating her new range, Victoria posed for some glamorous pictures before taking her seat in the swanky restaurant in Manhattan, New York.

And Victoria looked nothing short of sensational as she flaunted her jaw-dropping figure in the elegant number.

She displayed her toned figure in the ethereal midi dress and accessorised her outfit with burgundy heels and a clutch bag.

Victoria’s supportive husband David, 49, and son Romeo, 22, also arrived to the star-studded dinner.

Victoria Beckham, 50, looked ageless in a chic backless white dress as she attended a dinner with Mytheresa to celebrate the launch of her new collection on Thursday

The fashion designer has joined forces with Mytheresa on an exclusive capsule collection for party wear this season

The former Spice Girl star posed for a sweet pH๏τo with actress Nina Dobrev inside the venue.

Meanwhile, Victoria’s husband David and son Romeo were seen larking around the big apple on Friday.

Last week, Victoria was back in London after a whirlwind trip to Paris with her daughter Harper, 13.

She meant business as she pulled up to her Dover Street store  in her flashy £227,000 Ferrari Roma Blu Pozzi.

The designer cut a chic figure in a red roll-neck jumper as she took a trip to her store in Dover Street, London.

The wife of David Beckham also made sure to keep her social media followers up to date with her day as she shared a video of her purchasing a new belt from her store.

She said to the camera: ‘So I’m here in 36 Dover Street doing a little bit of a shopping.

‘Just bought this new belt. A little tiny B Frame Belt which I’m obsessed with. My new red sweater, and my pants.’

Celebrating her new range, Victoria posed for some glamorous pictures before taking her seat in the swanky restaurant in Manhattan, New York

And Victoria looked nothing short of sensational as she flaunted her jaw-dropping figure in the elegant number