Game Of Thrones' Sophie Turner and pal Hailee Steinfeld get VERY excited as they're mobbed by fans in random meet-and-greet

They were delighted to be in the same city together after months of clashing work schedules.

And Game Of Thrones star Sophie Turner and actress pal Hailee Steinfeld clearly wanted to share the joy as they announced a last minute fan meet and greet in London's Hyde Park on Thursday.

The talented twosome had their fans in a frenzy when they told their combined one million Twitter followers that they'd meet them at the city landmark that evening.

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Causing a commotion: Sophie Turner and actress pal Hailee Steinfeld get excited after they announced a last minute fan meet and greet in London's Hyde Park on Thursday

Causing a commotion: Sophie Turner and actress pal Hailee Steinfeld get excited after they announced a last minute fan meet and greet in London's Hyde Park on Thursday

Spring in their step: The talented twosome had their fans in a frenzy when they told their combined one million Twitter followers that they'd meet them at the city landmark that evening

Spring in their step: The talented twosome had their fans in a frenzy when they told their combined one million Twitter followers that they'd meet them at the city landmark that evening

Hailee, who is in town promoting her new movie The Keeping Room, seemed to be the one behind the scheme as she spent her afternoon laying out the plan after organising previous meet and greets in Oslo and Stockholm earlier this week.

Using the hashtag #HAIZinLONDON, the 18-year-old gave fans just a few hours notice as she tweeted on Thursday afternoon: Entrance of Hyde Park @ 6:30. C'mon London, let's see whatcha got. ;) #HAIZinLONDON.'

Sophie clarified that the girls would meet their followers at the grand entrance, and true to their word they showed up for a mass signing and selfie snapping session.

Say cheese: Fans turned out to meet the talented twosome after the actresses told their combined one million Twitter followers that they'd meet them

Say cheese: Fans turned out to meet the talented twosome after the actresses told their combined one million Twitter followers that they'd meet them

Running about: The famous TV pair were evidently very keen to meet their fans on time 

Running about: The famous TV pair were evidently very keen to meet their fans on time 

Low-key: The duo hid under a hat and a hood respectively as tried to keep a low profile

Low-key: The duo hid under a hat and a hood respectively as tried to keep a low profile

Going undercover: Sophie and Hailee dressed down for their park trip, with Sophie teaming skinny jeans with a striped sweater while her US actress pal wore leather trousers

Going undercover: Sophie and Hailee dressed down for their park trip, with Sophie teaming skinny jeans with a striped sweater while her US actress pal wore leather trousers

They came prepared! Fans were only given a couple of hours notice of the plan but still turned up with photos for the stars to sign 

They came prepared! Fans were only given a couple of hours notice of the plan but still turned up with photos for the stars to sign 

Reunited: The teen stars, who starred in this summer's teen assassin-comedy Barely Lethal, held hands as they greeted the crowd, celebrating their reunion in London

Reunited: The teen stars, who starred in this summer's teen assassin-comedy Barely Lethal, held hands as they greeted the crowd, celebrating their reunion in London

Park life: Game of Thrones star Sophie Turner and pal Hailee Steinfeld delighted fans with a last minute meet and greet in London's Hyde Park on Thursday night

Park life: Game of Thrones star Sophie Turner and pal Hailee Steinfeld delighted fans with a last minute meet and greet in London's Hyde Park on Thursday night

Strike a pose: Sophie got the giggles as Hailee pulled faces for the camera phones to the delight of their fans

Strike a pose: Sophie got the giggles as Hailee pulled faces for the camera phones to the delight of their fans

The actresses dressed down for their evening escapades, with Sophie, who plays Sansa Stark on global hit GoT,looking chic in black skinny jeans and a striped sweater.

A wide-brimmed hat sat on top of her fiery red locks, while she kept comfy in trainers.

Hailee teamed leather trousers with a slogan sweatshirt, adding sneakers and a hooded coat to keep warm as they dashed around the park.

Hats off to her! Sophie was clearly happy to be out with fans

Running wild: Hailee, who is in town promoting her new movie The Keeping Room, looked excited to have some freedom after a busy day of interviews

Fan-tastic: The flame-haired star signed countless autographs and posed for selfies with fans

Fan-tastic: The flame-haired star signed countless autographs and posed for selfies with fans

Cutting a dash: The acclaimed star was in high spirits as she dashed across the city's Hyde Park

Cutting a dash: The acclaimed star was in high spirits as she dashed across the city's Hyde Park

Fresh-faced: The actress went make-up free as she met her countless fans in central London

Fresh-faced: The actress went make-up free as she met her countless fans in central London

Less is more: Turner is best known for her role as Sansa Stark on the HBO fantasy television series

Less is more: Turner is best known for her role as Sansa Stark on the HBO fantasy television series

Fun loving pair: Hailee seemed to be behind the scheme as she spent her afternoon laying out the plan on Twitter after organising similar meet and greets in Oslo and Stockholm earlier this week

Fun loving pair: Hailee seemed to be behind the scheme as she spent her afternoon laying out the plan on Twitter after organising similar meet and greets in Oslo and Stockholm earlier this week

Keeping it casual: The red-headed actress wore skinny jeans with a striped top for the outing 

Keeping it casual: The red-headed actress wore skinny jeans with a striped top for the outing 

A huge crowd of fans showed up to see the girls, who became firm friends when starring in this summer's teen assassin-comedy Barely Lethal, with the stars posing for a group photo before signing autographs.

Hailee gushed about the spontaneous meet and greet on her Twitter page afterwards, telling her followers:

'London, that was special. So much love for you.'

Busy girls! The two young performers seemed genuinely surprised by the number of people who arrived 

Busy girls! The two young performers seemed genuinely surprised by the number of people who arrived 

Besties: She US star had plenty of love for her close pal, sharing a photo of the two cuddled up alongside the caption: 'SOPPPHHIIIIEEEEEE I love it when I get to see my friends while I'm on the road'

Besties: She US star had plenty of love for her close pal, sharing a photo of the two cuddled up alongside the caption: 'SOPPPHHIIIIEEEEEE I love it when I get to see my friends while I'm on the road'

Thanks! Hailee gushed about the spontaneous meet and greet on her Twitter page afterwards, telling her followers: 'London, that was special. So much love for you'

Thanks! Hailee gushed about the spontaneous meet and greet on her Twitter page afterwards, telling her followers: 'London, that was special. So much love for you'

Busy day: Earlier on Thursday Hailee added some glam touches for a visit to Capital Radio in London
Busy day: Earlier on Thursday Hailee added some glam touches for a visit to Capital Radio in London

Busy day: Earlier on Thursday Hailee added some glam touches for a visit to Capital Radio in London

Hot in the city: The 18-year-old was in the same leather trousers and sweater she wore later for her park visit, but added red heels and a custom graffiti covered jacket by Ksubi

Hot in the city: The 18-year-old was in the same leather trousers and sweater she wore later for her park visit, but added red heels and a custom graffiti covered jacket by Ksubi

New venture: The Keeping Room sees Hailee team up with Brit Marling to play two sisters who must defend themselves from a pair of Union soldiers in the closing days of the US Civil War

New venture: The Keeping Room sees Hailee team up with Brit Marling to play two sisters who must defend themselves from a pair of Union soldiers in the closing days of the US Civil War

She US star also had plenty of love for her close pal, sharing a photo of the two cuddled up alongside the caption: 'SOPPPHHIIIIEEEEEE I love it when I get to see my friends while I'm on the road.' 

While Sophie has been busy working on the new series of Game Of Thrones, and heading to last week's Emmys to see the show win 12 gongs, Hailee has been busy promoting her new movie.

The Keeping Room sees the True Grit star team up with Brit Marling to play two sisters who, along with a former slave played by Muna Otaru. must defend themselves from a pair of Union soldiers in the closing days of the US Civil War.

Business as usual: Hailee paid a visit to the ITV studios on Friday morning in a pair of thigh high boots

Business as usual: Hailee paid a visit to the ITV studios on Friday morning in a pair of thigh high boots

Picture perfect: Steinfeld topped her looked with a khaki jacket that was beautified with blue embroidered lace

Picture perfect: Steinfeld topped her looked with a khaki jacket that was beautified with blue embroidered lace

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