Former party girl Sienna Miller looks a little bleary-eyed after a night out with ex-partner Tom Sturridge at Paris Fashion Week

By Isolde Walters For Mailonline

Published: 20:19 EST, 4 March 2017 | Updated: 08:45 EST, 5 March 2017

She was a social butterfly in her 20s and was often snapped tumbling out of clubs and into taxis before mellowing into motherhood.

But Sienna Miller proved she still knows how to have a good time as she was pictured looking a little bleary-eyed leaving the Party in Paris fashion event on Saturday.

The Boho beauty, 35, beamed after partying with her ex-partner and father of her four-year-old daughter Marlowe, Tom Sturridge, at the boozy bash.

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Party time: Sienna Miller looked utterly delighted and a little worse for wear as she left a Paris Fashion Week event on Saturday night where she had been partying with ex Tom Sturridge

Party time: Sienna Miller looked utterly delighted and a little worse for wear as she left a Paris Fashion Week event on Saturday night where she had been partying with ex Tom Sturridge

At one point, it looked like the beautiful actress had to be helped into her car by a solicitous minder. 

The American Sniper star was her usual fashion-forward self in a scarlet leather jacket and a slinky scarlet floor-length skirt. 

She accessorised her glamorous outfit with a black clutch bag and patent leather open-toe heels. 

But I don't want to go home! At one point it looked like Sienna had to be helped into her car by a solicitous minder 

But I don't want to go home! At one point it looked like Sienna had to be helped into her car by a solicitous minder 

Back to her roots: The 35-year-old, who was a fixture on the London party scene in her 20s, looked like she had had a very good time at the glitzy fashion event

Back to her roots: The 35-year-old, who was a fixture on the London party scene in her 20s, looked like she had had a very good time at the glitzy fashion event

'We still love each other': Sienna recently announced that she still loved her ex-partner Tom who joined her on her wild partying odyssey in Paris

'We still love each other': Sienna recently announced that she still loved her ex-partner Tom who joined her on her wild partying odyssey in Paris

Reunion? The pair's appearance together at Paris Fashion Week will undoubtedly fuel rumours that they have reunited 

Reunion? The pair's appearance together at Paris Fashion Week will undoubtedly fuel rumours that they have reunited 

Night on the tiles: Sienna looked happy to escape mummy duty and paint the town red 

Night on the tiles: Sienna looked happy to escape mummy duty and paint the town red 

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Paris Fashion Week is still in full swing and last night saw Sienna Miller joining the crowds of style stars in the City of Lights.

The actress attended the launch of Bella Hadid's collaboration with Chrome Hearts before keeping the party going late into the night. And of course, as you'd expect from this fashion maven, she rocked a killer look in top to toe scarlet.

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The beauty looked a little dishevelled after her late night with her usually flawless blonde tresses looking ruffled and her eyes just a tad bleary. 

But Sienna looked like she didn't care a jot as she giggled her way to her car and shot photographers a toothy grin. 

The reformed party girl had been mingling with fashion stars including Bella Hadid and of course catching up with actor Tom, 31.  

Vogue cover girl: The Burberry model still looked stunning, if a little bleary-eyed

Boho beauty: Sienna lived up to her fashion icon status in a scarlet leather jacket and a floor-length crimson skirt which she paired with patent open-toed heels

Reformed party girl: Sienna, who now lives in New York, was known as a party girl in her 20s before calming down when she became a mother to four-year-old Marlowe 

Reformed party girl: Sienna, who now lives in New York, was known as a party girl in her 20s before calming down when she became a mother to four-year-old Marlowe 

The couple's decision to party together in Paris will undoubtedly fuel rumours that the stars, who co-parent Marlowe, have decided to reconcile.

The photogenic couple began dating in 2011, just months after Sienna announced her split from her one-time fiance Jude Law. 

A year later Marlowe was born, but in 2015 the pair announced that they had decided to split. 

Fashionista: Her silk skirt clung to her lithe legs as she partied with ex Tom Sturridge 

Fashionista: Her silk skirt clung to her lithe legs as she partied with ex Tom Sturridge 

Ready for the next stop: Sienna's famous blonde locks looked a little messy as she left 

Ready for the next stop: Sienna's famous blonde locks looked a little messy as she left 

Sienna recently described Tom as her 'best friend in the entire world'.

The Burberry model discussed their relationship in an interview with Harper's Bazaar.

'We still love each other,' the actress revealed.

'I think in a break-up somebody has to be a little bit cruel in order for it to be traditional, but it's not been acrimonious in a way where you would choose to not be around that person.'

She added: 'It's great for our daughter that she has two parents who love each other and are friends. He's definitely my best friend in the entire world.'

Fun time, all the time! The star looked positively giddy as she partied in the French capital 

Fun time, all the time! The star looked positively giddy as she partied in the French capital 

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