Stella McCartney puts on a leggy display as she joins Anais Gallagher at the star-studded launch party for fashion designer's new Ryder bag

Stella McCartney put on a leggy display with Anais Gallagher as they attended the launch of the designer's new Ryder bag in a London restaurant on Thursday.

The luxury designer, 53, looked sensational as she showcased her toned legs in a mini black silky number.

She paired her fabulous garment with black sheer tights which featured a polka dot detailing.

Adding inches to her statuesque frame, Stella slipped into a pair of black shiny satin heels.

To accessorise, she kept it simple and toted her belongings around in a black version her new released handbag, which is retailed at £1,175.

Stella was joined at her glitzy launch party alongside pal Anais who cut a chic figure in a black blazer dress and sheer tights.

Meanwhile, Yasmin Finney sent pulses racing in a white Greek-inspired dress which featured daringly high slits up each leg.

Nathalie Emmanuel commanded attention in a sophisticated black wrap dress which she layered over a sheer body suit.

Fellow top designer Tom Ford looked strapping as he stepped out in a black two-piece suit which he pair with orange-tint glasses.

Adot Gak and Marc Quinn commanded attention as they stepped out in pair of white-focused outfits.

Alex Consani and Memphy looked sensational as they arrived at the launch party in all black ensembles.

Cutting a sophisticated look, India Amarteifio wore a grey over-sized blazer which she paired with blue flared jeans.

Louisa Harland showcased her quirky sense of style in a light grey top and matching trousers.

Kesewa Aboah commanded attention in a beautiful red silky dress that she paired with white stilettos.

Misty Kyd looked classy as she stepped out in a white blazer and matching trousers which featured a delicate floral design.

Imran Amed got in the festive spirit and wore a blue, black and white knitted jumper which he paired with jeans trousers.

Stella celebrated the launch of her new Ryder bag at the historic Belvedere restaurant, built between 1638 and 1640 as part of the horse stables and coach house serving Holland House and Park.

Guests enjoyed vegetarian fare and tequila cocktails by Casa Dragones, alongside a series of fashion and festive surprises.