Margot Robbie proves she's a Céline Dion superfan as she dons customised T-shirt to watch singer's British Summer Time gig in London alongside Sam Smith

She’s one of the most down-to-earth people in showbiz.

And Margot Robbie proved she’s just like the rest of us when she laughed, cried and sang along to Céline Dion with her friends at the Canadian icon’s British Summer Time gig in London‘s Hyde Park on Friday night.

The Australian actress, 29, donned a customised ‘Kween Céline 2019’ T-shirt as she attended the open air concert with a gaggle of girlfriends and singer Sam Smith, 27.

Big fan: Margot Robbie donned a customised Céline Dion T-shirt to watch the singer’s British Summer Time gig in London’s Hyde Park on Friday night

Margot appeared to be having the time of her life, proudly showcasing her homemade T-shirt as she arrived at the bustling gig.

The garment featured a snap of Margot and her friends excitedly posing in Céline merchandise tops.

She embraced a 90s vibe with her concert-going attire, teaming her T-shirt with high-waisted blue jeans and a green baseball cap bearing the words ‘bad boy’.

The Mary Queen Of Scots star styled her blonde locks in loose waves and kept her make-up fresh and natural.

Living it up: The Australian actress, 29, donned a customised Kween Celine 2019 T-shirt as she attended the open air concert with a gaggle of girlfriends and singer Sam Smith, 27

Group outing: Margot was seen swaying in time to the music, going arm-in-arm with her pals and Sam as they sang along to the words at the top of their lungs

Loving life: Margot appeared to be having the time of her life, proudly showcasing her homemade T-shirt as she arrived at the bustling gig

90s vibe: Margot teamed her T-shirt with high-waisted blue jeans and a green baseball cap bearing the words ‘bad boy’

Natural beauty: The Mary Queen Of Scots star styled her blonde locks in loose waves and kept her make-up fresh and natural

Margot was seen swaying in time to the music, going arm-in-arm with her pals and Sam as they sang along to the words at the top of their lungs.

Céline delighted an audience of thousands with her stellar show as she sported an array of typically over-the-top looks.

Her headlining performance at Barclaycard’s British Summer Time Hyde Park was announced back in January.

So excited: The actress couldn’t keep the smile off her face as she arrived at Hyde Park

Special attire: Margot’s T-shirt featured a snap of the star and her friends excitedly posing in Céline merchandise tops

Opting for comfort: The Australian beauty pulled her look together with a pair of espadrilles

Cheers! The ladies were enjoying a well deserved refreshment as they took their seats

Getting into the swing of things: It was an emotional night for fans of the Canadian singer

Gig: Céline’s headlining performance at Barclaycard’s British Summer Time Hyde Park was announced back in January

Cheering her on: The girls were screaming and shouting with the rest of the crowds

Announcing her news, she said: ‘I’ve got a big craving for some bangers and mash and some sticky toffee pudding.

‘So I’m heading over to London this summer, to headline the Barclaycard British Summer Time Hyde Park festival on July 5 and I can’t wait to see you guys.’

She said: ‘It’s my first time doing a show in beautiful Hyde Park…. I’m so excited.

‘I love London, and it’s a great honour for me to be part of the Barclaycard presents BST Hyde Park concerts. I can’t wait…. summertime in London, here we come!’