'This time three is THE crowd!' Naomi Watts enjoys a girls' night out at Met Gala with designer Stella McCartney and actress Kate Hudson as her 'dates'

Hollywood A-listers graced the red carpet at the invitation-only Met Gala held at New York's Metropolitan Museum of Art's Costume Institute on Monday.

And English-born Australian actress Naomi Watts attended the glamorous soirée with designer Stella McCartney and actress Kate Hudson.

The stylish trio documented their evening on social media - from pre-event facials and dancing in their limousine, to red carpet posing and selfies in the bathroom.

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'This time three is THE crowd!' Naomi Watts enjoyed fun girls' night out at the Met Gala in New York on Monday with designer Stella McCartney and actress Kate Hudson as her 'dates'

'This time three is THE crowd!' Naomi Watts enjoyed fun girls' night out at the Met Gala in New York on Monday with designer Stella McCartney and actress Kate Hudson as her 'dates'

Girls' night! The celebrity friends clearly enjoyed themselves  in front of the cameras

Girls' night! The celebrity friends clearly enjoyed themselves in front of the cameras

Stella and Kate prepared for the gala by applying a gold-leaf facial and posting snaps of their faces with the masks on and towels on their heads.

Stella played a game with her Instagram followers as their faces were obscured by the gold covering, asking: 'Can you guess my Met date?... #GoldenGirls x Stella.'

Naomi, 48, joked, 'I didn't get the memo', as she was pictured arriving in a polka dot summer dress while the pair were still in their robes.

'Can you guess my Met date?' Stella played a game with her Instagram followers as their faces were obscured by the gold covering, asking them to guess who her 'date' was

'Can you guess my Met date?' Stella played a game with her Instagram followers as their faces were obscured by the gold covering, asking them to guess who her 'date' was

'I didn't get the memo': Naomi arrived make-up free in a polka-dot dress while Stella and Kate were in matching robes with their face masks still applied

'I didn't get the memo': Naomi arrived make-up free in a polka-dot dress while Stella and Kate were in matching robes with their face masks still applied

Stella took to Instagram Story to announce each of her 'dates' by name in the luxury 'camper van', as they twirled and posed for the camera in their gowns.

Kate and Naomi can be seen smiling and giggling as Stella narrates from behind the lens of her phone's camera. 

She ends the brief video by turning the camera on herself, saying: 'And then there's little old me.' 

'Girls night tonight': Naomi uploaded three fun selfies with the A-listers at the invite-only event

'Girls night tonight': Naomi uploaded three fun selfies with the A-listers at the invite-only event

The trio were dressed to impress as they arrived at the annual gala, which is attended by Hollywood's biggest stars.

Naomi took selfies with the ladies at the event, captioning her snaps on Instagram: 'Girls night tonight #stellasquad And yes, this time three is THE crowd @stellamccartney @katehudson #metgala2017.'

Stella also labelled Naomi a 'fox' in a social media post of the actress wearing her design, and later claimed Kate and Naomi were the 'best dates in town!'

'Best dates in town!': Designer Stella shared an image of Naomi in her design calling her a 'fox', later adding the two actresses made for great company at the event

'Best dates in town!': Designer Stella shared an image of Naomi in her design calling her a 'fox', later adding the two actresses made for great company at the event

 Fierce and fashionable! The stylish trio appeared to be inseparable at the event

 Fierce and fashionable! The stylish trio appeared to be inseparable at the event

Naomi opted for a plunging black Stella McCartney gown with shimmering netting across her chest. 

Fellow actress Kate wore a head-to-toe white ensemble that matched perfectly with her icy peroxide blonde hair.  

Stella wore an equally glamorous full-length gown with a slight peplum flaps around her waistline.

Ice queen! Naomi walked the red carpet with Stella and Kate, who was seen wearing a head-to-toe white ensemble that matched perfectly with her icy blonde hair

Ice queen! Naomi walked the red carpet with Stella and Kate, who was seen wearing a head-to-toe white ensemble that matched perfectly with her icy blonde hair

Let me take a selfie! Naomi and Stella grabbed an up-close selfie earlier in the evening

Let me take a selfie! Naomi and Stella grabbed an up-close selfie earlier in the evening

'Sleepy time': During the event, Stella also shared insider snaps of many of the other A-list guests - including Madonna (right) and Amy Schumer (left)

'Sleepy time': During the event, Stella also shared insider snaps of many of the other A-list guests - including Madonna (right) and Amy Schumer (left)

During the event, Stella also shared insider snaps of the other A-list guests.

One image showed comedian Amy Schumer resting her head on Madonna's buxom cleavage, alongside the caption: 'Sleepy time.'

The designer also shared a crowded selfie from the bathroom, joking: 'All goes down in the toilets.' 

In the photo was Maggie Gyllenhaal, Dakota Johnson and Kate Bosworth.

'All goes down in the toilets': The designer also shared a crowded selfie from the bathroom with Maggie Gyllenhaal, Dakota Johnson and Kate Bosworth

'All goes down in the toilets': The designer also shared a crowded selfie from the bathroom with Maggie Gyllenhaal, Dakota Johnson and Kate Bosworth

Naomi attended her first ever Met Gala 11 years ago in 2005. 

The theme for this year’s gala was Rei Kawakubo/Comme des Garçons: Art of the In-Between, honouring Japanese designer Rei Kawakubo.

Rei founded the label Comme des Garçons and is known for pushing boundaries in the fashion world. 

It takes a village: Naomi shared a picture with her support team 'glam squad' who helped prepare her for the evening

It takes a village: Naomi shared a picture with her support team 'glam squad' who helped prepare her for the evening

Red carpet regular! Naomi attended her first ever Met Gala 11 years ago in 2005

Red carpet regular! Naomi attended her first ever Met Gala 11 years ago in 2005

Flashback! Kate Hudson posted a photo of her first Met Gala in 2003 with Stella, writing: 'She's a very good date indeed'

Flashback! Kate Hudson posted a photo of her first Met Gala in 2003 with Stella, writing: 'She's a very good date indeed'

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