Kate Moss dazzles in a sparkling shirt dress with flirty sheer panels as she joins Liv Tyler at BST festival

She's one of the most celebrated supermodels to ever grace the catwalk. 

And Kate Moss looked ever the runway icon as she posed backstage at the intothewhite event at Barclaycard presents British Summer Time at London's Hyde Park on Friday with good pal Liv Tyler, 41.

The Croydon beauty, 44, teased a peek at her lithe pins as she posed in a glittering black shirt dress with flirty sheer panelling. 

Stylish: Kate Moss , 44, dazzleed in a sparkling black shirt dress with flirty sheer paneling at British Summertime in London on Friday

Stylish: Kate Moss , 44, dazzleed in a sparkling black shirt dress with flirty sheer paneling at British Summertime in London on Friday

Kate threw her signature sultry pout as she posed for the cameras, while giving her ensemble some extra edge in black leather boots. 

Kate's famous mousy blonde locks fell in a soft wave, while minimalist make-up brought out her natural glow.  

Also at the event was Kate's boyfriend Count Nikolai von Bismarck, who joined in the festivities as she partied the night away with her pals. 

Classic style: Liv Tyler, 44, kept it classic with a simple leather cross-body bag, as her glossy brunette locks were left tousled in her naturally straight style

Classic style: Liv Tyler, 44, kept it classic with a simple leather cross-body bag, as her glossy brunette locks were left tousled in her naturally straight style

Star-studded: Kate's famous mousy blonde locks fell in a soft wave as she posed alongside actress Sadie Frost, (L), make-up artist Charlotte Tilbury and Sadie's beau Darren Strowger (R)

Star-studded: Kate's famous mousy blonde locks fell in a soft wave as she posed alongside actress Sadie Frost, (L), make-up artist Charlotte Tilbury and Sadie's beau Darren Strowger (R)

Hollywood chic: Elsewhere, Liv Tyler (L) brought some A-list glamour to the star-studded bash in an all-black ensemble paired with ultra chic sandals

Hollywood chic: Liv (L) brought some A-list glamour to the star-studded bash in an all-black ensemble paired with ultra chic sandals

The couple's romance blossomed following her split from The Kills rocker husband Jamie Hince.

Despite the pair being hit by split claims in October last year, they have silenced rumours by putting on a loved-up display at a number of public events since. 

Proving their romance is only going from strength to strength, the pair were even seen purchasing a new puppy in London in recent months. 

On hand: Also at the event was Kate's boyfriend Count Nikolai von Bismarck (L) who joined in the festivities with Darren Strowger

On hand: Also at the event was Kate's boyfriend Count Nikolai von Bismarck (L) who joined in the festivities with Darren Strowger

All together: Kate posed with Rebecca Ferguson (L) Sadie Frost, Charlotte Tilbury, Kate Moss, Darren Strowger and Jake Chapman

All together: Kate posed with Rebecca Ferguson (L) Sadie Frost, Charlotte Tilbury, Kate Moss, Darren Strowger and Jake Chapman

Palling around: Kate's embellished design teased a peek at her lithe pins as she posed for the cameras in edgy black boots alongside Charlotte and Liv Tyler (R) 

Palling around: Kate's embellished design teased a peek at her lithe pins as she posed for the cameras in edgy black boots alongside Charlotte and Liv Tyler (R) 

The model is already a mother to Lila-Grace, 14, who she shares with ex partner Jefferson Hack.   

Elsewhere, Liv Tyler brought some A-list glamour to the star-studded bash in an all-black ensemble paired with ultra chic sandals.  

The Hollywood actress, kept it classic with a simple leather cross-body bag, as her glossy brunette locks were left tousled in her naturally straight style. 

Elated: Kate flashed a huge smile as she posed with her pals

Elated: Kate flashed a huge smile as she posed with her pals

So chic: Celebrated make-up artist Charlotte looked ravishing in a red kimono-style wrap dress with a stylish scarf tie around her waist

So chic: Celebrated make-up artist Charlotte looked ravishing in a red kimono-style wrap dress with a stylish scarf tie around her waist

Coupled up: Liv's fiance Dave Gardiner joined in and posed alongside the screen queen and Sadie frost with her man Darren

Coupled up: Liv's fiance Dave Gardiner joined in and posed alongside the screen queen and Sadie frost with her man Darren

Back together: Former Primrose Hill Set duo Kate and Sadie ensured they got snapped together at the event

Back together: Former Primrose Hill Set duo Kate and Sadie ensured they got snapped together at the event

Flashing her engagement sparkler from fiancé Dave Gardner, Liv looked in fantastic spirits as she posed alongside her Brit model bestie.

Liv and Dave have been engaged since September 2015 - although the actress has joked the proposal was not the most glamorous of moments. 

Recalling the event to FABLife, she said: 'It was very sweet I was very surprised. Although I had no idea and I didn't look very attractive.

'I was pregnant and I was like crying and had just come out of the shower and I was like unpacking. It wasn't a very glamorous moment.'

Liv and Dave share son Sailor, three, and daughter Lula, 18 months, while the actress also has son Milo, 13, with her ex-husband Royston Langdon.    

Girls night: Flashing her engagement sparkler from fiancé Dave Gardner, Liv looked in fantastic spirits as she posed with Kate and Charlotte 

Girls night: Flashing her engagement sparkler from fiancé Dave Gardner, Liv looked in fantastic spirits as she posed with Kate and Charlotte 

Sophisticated: Charlotte's flame-coloured locks fell past her shoulders in delicate curls

Sophisticated: Charlotte's flame-coloured locks fell past her shoulders in delicate curls

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Kate Moss dazzles in a sparkling black shirt dress as she joins pal Liv Tyler at BST in London

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