Sienna Miller wears bizarre fur coat in the scorching heatwave as she joins dazzling Rosie Huntington-Whiteley and Maya Jama at star-studded Serpentine Gallery Summer Party

It was a star-studded affair as always at London’s Serpentine Gallery Summer Party on Tuesday evening.

Sienna Miller, model Rosie Huntington-Whiteley, Maya Jama and actress Isla Fisher led the grand arrivals at the Kensington gardens venue.

Sienna, 44, made the whimsical decision to wear a large fur-lined coat over her beautiful silk dress, despite scorching heat reaching almost 40 degrees in London this week.

But for the pose just six weeks after giving birth to her third child, she styled it with strappy heels and a matching gold bag.

Meanwhile, Rosie, 39, looked dazzling in a cut-out white dress that showed off plenty of flesh, complete with towering black stiletto heels and a gold necklace.

Love Island host Maya, 31, stood out in a snake-inspired green dress with a dazzling strapless design.

Elsewhere, Isla, 50, looked lovely in pink in a gorgeous dress for a summer night out.

Stunning model Rosie, who was one of the early arrivals to the event, dazzled in her cut-out white dress.

Love Island host Maya, 31, stood out in a snake-inspired green dress with a dazzling strapless design.

Other stylish attendees included Rebel Wilson, Jessie Ware, Celia Imrie and Pixie Geldof.

The Serpentine Summer Party is the gallery’s annual fundraiser and is an invitation-only event.

The event was hosted by Michael R. Bloomberg, chairman of the Serpentine board of trustees; Bettina Korek, CEO; and artistic director Hans Ulrich Obrist.

The bash comes after Rosie shared a collection of stunning snaps in her latest Instagram post after enjoying her trip to Mallorca last week.

The model looked stunning in a flowing white summer dress, pouting in the mirror selfie. She then showed off her incredible physique in a white bikini and showed off her toned abs.

In another move, she put on her white satin long dress and then relaxed to read a book. He wrote ‘Summer sun’ in his post.

Rosie and fiancé Jason Statham recently purchased a 20-acre plot of land for their ‘forever home’ on the south coast and also built a jungle yoga retreat on the site.

Located on the edge of their own wild swimming lake, the new yoga studio is designed in cedar wood with gabion rock walls, in keeping with the brutalist architectural style of the £25 million property.

The yoga studio also has a very large bat box, ensuring that the local bat population is not affected by the couple’s presence.

The retreat was designed by the actor’s architect, Ben Pentreath, who was a favorite of the Royal family.

He previously helped King Charles design the experimental village of Poundbury in Dorset and also redesigned the Middleton family’s flat in Chelsea.

Despite scorching temperatures reaching almost 40 degrees in London this week, she wore a huge fur-lined coat over her beautiful silk dress.

She looked amazing in her low-cut gold dress and added height with her strappy heels

The mother of three was enjoying a night out on the town

The 39-year-old beauty looked charming in the dress, which she combined with high black stiletto heels and a gold necklace.

The Serpentine Summer Party is the gallery’s annual fundraiser and is an invitation-only event

The model figure was showcased in a white dress

Rosie worked out the best angles for the camera as she arrived at the event

Maya looked great in her animal print dress

He confidently stole his belongings

Isla accessorised her stunning pink look with a gold clutch and simple earrings

The 50-year-old actress looked pretty in pink with a gorgeous dress for a summer night out in the capital.

Ellie Goulding wore a stylish black jumpsuit

And statement silver jewelry added to the look

Salma Hayek looked stunning as ever in her silk mauve dress as she arrived at the gallery.

Rebel Wilson wore a Louis Vuitton midi dress and gold sandals

He was accompanied by his glamorous wife Ramona Agruma

Georgia May Jagger wore a light blue lace dress

She looked gorgeous in the short number

Emma Thynn, Marchioness of Bath, wore a bright red number

Jeff Goldblum and wife Emilie Livingston looked in love

Jenna Coleman attended the Serpentine Summer Party

She looked gorgeous in her black dress

Meanwhile, Alexa Chung showed off her abs in a white dress

Pixie Lott wore a heavily layered green dress

Naomi Harris

Nicky Hilton-Rothschild

Dame Kristin Scott Thomas attends Serpentine Summer Party 2026

Amy Jackson wore a white suit for the occasion

Richard E Grant wore a smart white suit

Mayor of London Sadiq Khan and his wife Saadiya also attended the meeting.

Jessie Ware wore a dazzling number

Celia Imrie attracted attention in white

Pixie Geldof wore a strappy white dress and bright green heels

Lord Frederick Windsor and his wife Sophie Winkleman posed together

As well as the yoga studio, the architect designed a ‘lap pool’, a gym and riding stables for the actor and Rosie’s swimming distances on the site.

Rosie, who has famously modeled for Burberry, Victoria’s Secret and Marks & Spencer and is herself worth £30 million, recently talked about moving to a more rural life.

She told Australian Vogue she’s preparing for a big change: a move to the English countryside near the New Forest, where horses are back in the frame.

He said: ‘There’s an incredible finishing school around the corner.

‘I’ve been dreaming of this since I left home. There will be mud and there will be children climbing trees. On weekends, London can feel very destination-oriented. ‘I want peace.’

The appeal of the countryside comes naturally to Rosie. He grew up in rural Devon; she described this life in Vogue as ‘rustic, open-air, wild, simple’, adding: ‘The house was a cottage on several acres with animals everywhere.’

He said: ‘There were nails being cleared in the back kitchen, usually some animal, a bird my mother was trying to resuscitate.’

‘Mum has dogs and muddy boots everywhere and this is perfect for them. The house is completely messy. They live an idyllic life; ‘It’s quite bohemian.’

‘We lived within our means; ‘We had enough money,’ he added, ‘Every day I clean up the horse’s mess, school uniforms are ironed by me. ‘He instilled self-sufficiency.’

He said he tries to instill a similar sense of gratitude in his own children today.

‘It’s a good balance; “They’re still little,” she said, adding that her mother told her: “Life isn’t going to hand you everything on a silver platter.”