House party! Sienna Miller beams after star-studded Chiltern Firehouse

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Sienna Miller looked in great spirits as she led the stars heading home from the Chiltern Firehouse 10th anniversary party in London on Thursday evening.

The actress, 42, appeared to well and truly let her hair down as she departed the venue at 4am still holding her sparkly masquerade mask to her face.

The star looked chic in a see-through black transparent kimono-style gown, which had a gold sequined bra design.

Sienna was joined by Ellie Goulding who left little to the imagination in a racy all mesh number.

The hitmaker, 37, kept her head down as she left the venue as she showed off her ample cleavage in a daring linger-inspired ensemble, consisting of a black sheer corset bodysuit with a striped skirt attached.

Sienna Miller beamed after a night of partying at star-studded Chiltern Firehouse 10th anniversary in London on Thursday evening

The actress, 42, appeared to well and truly let her hair down as she departed the venue still holding her sparkly emerald masquerade mask

Meanwhile Isla Fisher looked embarrassed as she sat with her head in her hands in the taxi after a nasty tumble while leaving the party.

Isla Fisher takes a nasty tumble after a party at exclusive London hotspot

The Australian actress, 48 appeared to trip over a curb while exiting the exclusive hotspot as her entourage rushed to help her to her feet.

Balancing herself on the cobblestone to soften the blow, Isla appeared mostly unharmed by the fall as she was quickly helped back to her feet and escorted to a waiting car.

Despite her embarrassment the star looked incredible as she opted for an eye-catching faux leopard fur coat from Zara, worth $269.

She paired the jacket with a saucy leather skirt which featured a racy slit and sheer black polka dot tights and black pumps.

Noel Gallagher was also seen leaving the venue as he was joined by his girlfriend Sally Mash for the night out in the capital.

The Oasis frontman, who recently announced four more reunion tour live gigs due to ‘phenomenal demand, looked like his usual rock star self in a black leather jacket.

Sally wowed in a black sequined power suit and black pointed boots as she accessorised the look with a pair of silver hooped earrings.

Ellie Goulding left little to the imagination in a racy all mesh number

Meanwhile Isla Fisher looked embarrassed as she sat with her head in her hands in the taxi after a nasty tumble

Isla appeared to trip over a curb while exiting the exclusive hotspot as her entourage rushed to help her to her feet

Her team were quick to help pick her up off the floor

Noel Gallagher was also seen leaving the venue as he was joined by his girlfriend Sally Mash for the night out in the capital

She showcased her black underwear in the sheer ensemble

The Australian actress, 48 was helped by her entourage as they steadied her after she took a tumble on the street

Despite her embarrassment the star looked incredible as she opted for an eye-catching faux leopard fur coat from Zara, worth $269

Princess Beatrice, who announced she is pregnant with her second child earlier this week, kept it simple in a pair of black tailored trousers

Sienna appeared in great spirits as she laughed in the taxi on the way home

The star showed off her glowing complexion despite a whole night of partying as the stars headed home at 4am

Isla appeared rather unsteady on her feet as she manoeuvred her way over the cobbles with the help of her team

She tried her best to hide her face after the fall and kept her black and red bedazzled eye mask on

The Oasis frontman, who recently announced four more reunion tour live gigs due to ‘phenomenal demand, looked like his usual rock star self in a black leather jacket

Princess Beatrice, who announced she is pregnant with her second child earlier this week, kept it simple in a pair of black tailored trousers.

Ellie Goulding joins Sienna Miller and Lily Allen at Chiltern Firehouse 10th anniversary party

Completing the look with a velvet belted blazer and open-toed heels, the royal headed home with a bottle of water and some sort of package.

Claudia Winkleman also enjoyed a night out on the town as she left hand in hand with her husband Kris Thykier.

The Traitors presenter concealed her identity in a white masquerade mask while looking stylish in a black velvet blazer, white shirt and black shiny knee high boots.

The star was joined by her film producer husband who looked incredibly dapper in full black tie and a black eye mask.

Rocco Ritchie was also suited and booted in all black tie as he joined stars Mariella Frostrup and Charlotte Tilbury at the star-studded event.

Charlotte Tilbury walked hand in hand with her niece Bella as the pair both donned stick on black lace eye masks.

Minnie Driver looked sensational in a classy white midi dress and glamorous silver jewelled eye piece.

Claudia Winkleman also enjoyed a night out on the town as she left hand in hand with her husband Kris Thykier

Claudia struggled to contain her excitement after the night of partying

The presenter opted for a black velvet blazer and white shirt while her husband looked rather dapper in a classic black tie and black eye mask

Mariella Frostrup wowed in a black midi dress and white shawl as she grinned from ear to ear

Charlotte Tilbury walked hand in hand with her niece Bella as the pair both donned stick on black lace eye masks

The pair showed off their uncanny resemblance as the makeup artist, 51, showed off her ample cleavage in a busty black dress

The star removed her mask after the costume party

Minnie Driver looked sensational in a classy white midi dress and glamorous silver jewelled eye piece

The actress, 54, kept it simple as she completed the look with black heels

Mick Jagger’s daughter Jade, 52, was joined by pal Liam Cairo

Sienna showed off her dramatic lace up leather boots as she settled into the cab

Sienna looked to have a had a fun-filled night

Camilla Cabello also kept it conservative in a black midi dress with a huge black coat over the top.

The singer was seen heading home as she pulled a face while holding her black masquerade mask up to her face.

Model and socialite Lady Victoria Hervey, 47, kept with the sheer theme as she stepped out in a see through lace bodysuit complete with feather wrist cuffs.

She paired the bodysuit with velvet flared trousers and a quilted leather bag, finishing off the look with a chic mask.

Other stars in attendance at the lavish party were Idris Elba and his wife Sabrina and former Vogue editor Edward Enninful.

Sports agent Dave Gardner looked dapper in an all black suit with shiny black lapels

Camilla Cabello also kept it conservative in a black midi dress with a huge black coat over the top

Model and socialite Lady Victoria Hervey, 47, kept with the sheer theme as she stepped out in a see through lace bodysuit complete with feather wrist cuffs

Idris Elba looked cool as anything as he left in his all black ensemble

The Canadian model, 35, cut a sophisticated figure in the dress as she added a small pair of black heels and black leather handbag to the look

Actress Donna Air covered up in a white coat as she wore a netted veil over her eyes

Madonna’s son, who she shares with Guy Ritchie, is currently rocking a buzzcut hairstyle

Sienna was seen patiently waiting in the taxi as she sat alongside her friend

Beatrice headed to her car as she carried her water bottle and a brown package

Dave kept a low profile while leaving the venue

Lady Mary Charteris flashed her toned abs in a skimpy black cut out dress

Covering up in the cold the model added a fluffy jacket to her look

Charlotte’s niece Bella showed off her underwear in a sheer black dress patterned with black flowers

Journalist Jemima Goldsmith wowed in a fitted black skirt and matching blazer