PICTURED: Steve Coogan, 50, has blazing row with his Downton Abbey girlfriend Daisy Lewis, 30, during night out in London

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Their relationship is seemingly over after they became embroiled in a heated spat outside London's trendy Groucho Club.

And pictures of Steve Coogan, 50, and Downton Abbey star Daisy Lewis, 30, have now emerged showing the pair having the emotional argument in Soho, shortly after the latter appeared on stage opposite James Norton in Bug.

The Alan Partridge star was seen hunched over a railing wearing a black bomber jacket, jeans and brown shoes while Daisy attempted to speak to him.

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Heated: Pictures of Steve Coogan, 50, and Downton Abbey star Daisy Lewis, 30, have emerged showing the pair having an emotional argument in Soho

Looking dismayed, he then stood with his hands on his hips as the pair exchanged words.

Coogan gesticulated in an animated fashion as his girlfriend looked up at him, before placing a hand on his arm, presumably in a bid to comfort him. 

One eyewitness outside the Groucho explained: ‘There was a bad vibe between them and it spilled out into the street. They were at each other – it was heated.

'First she had a face like thunder, then started crying, and that’s when he put her into a taxi and sent her off on her own.

Unhappy: Looking dismayed, he then stood with his hands on his hips as the pair exchanged words

Feeling downbeat: The Alan Partridge star was seen hunched over a railing wearing a black bomber jacket, jeans and brown shoes while Daisy attempted to speak to him

Emotional: Coogan gesticulated in an animated fashion as his girlfriend looked up at him

Tired: Coogan seemed to be a little bleary-eyed as he argued with Daisy

Not seeing eye to eye: Coogan shrugged his shoulders in a way that suggested he didn't know what else to say

Eye-witness: An onlooker said that there was a 'bad vibe' between the pair

Causing a scene: The spat was aired in front of the public with passers-by turning their heads as they walked past

Fed up: Steve looked exasperated as he reclined against the iron railings

Lovers' tiff: Passers-by were allegedly 'aghast' at the emotional confrontation

Talk it out: The couple stood in close proximity of one another as they tried to iron out their differences

There are no words: Steve stood staring into the horizon, clearly not impressed with the situation 

Heart to heart: A friend of the star revealed how Coogan, 50, has struggled to cope as his girlfriend’s career has soared in recent months

‘People were aghast at seeing such an emotional confrontation. Halfway through, a fan came over and Coogan was really brusque with him, telling him they were having a private conversation, and putting out his hand to fend him off.

‘The worst part was he seemed so uncaring and cold towards Daisy. There was not a hint of kindness. He seemed more interested in himself.’

MailOnline has contacted representatives for Daisy and Steve and is awaiting comment. 

Coogan looked forlorn as the confrontation wound down, his face sporting a sorrowful expression.

Calming touch: Daisy placed a hand on his arm, presumably in a bid to comfort him

Filled with sadness: Coogan looked forlorn as the confrontation wound down, his face sporting a sorrowful expression

His turn to comfort her: Steve placed an affectionate hand on his girlfriend's shoulder 

Hold me close: According to one friend, Daiy's role in Bug shifted the power balance in her year-long relationship with Coogan

Hug it out: The pair shared an embrace before Coogan saw Daisy into a taxi and flagged another down for himself

Too little, too late? Despite ending with a hug and eyewitness said Coogan 'seemed so uncaring and cold towards Daisy'

Tearful: Daisy appeared upset as she made her way to the roadside accompanied by Steve

End of the road? The couple went public last year, and were first pictured together in Dublin in September

And that's final: A source said that Steve was 'trying and trying to have the last word'

The pair shared an embrace before Coogan saw Lewis into a taxi and flagged another down for himself.

Despite the fiery argument, Daisy returned to the club later on having undergone a costume change and looked much happier.

She swapped her 60s-inspired ensemble for a pretty pastel dress and chunky heels which she teamed with a leather jacket and a trendy black fedora.

She flashed a bright white smile as she hung out with a group of pals and was spotted sharing a warm embrace with a mystery man.

The couple met through friends last June and had a make-or-break trip to the Lake District just two weeks ago. Coogan has a house there and Daisy went to stay with him in the hope of reconciling their differences.

Going their separate ways: The argument all but ended their night together

Watch out: Coogan crossed the road in front of a silver car while clutching a bag

Time to reflect: He raised his hand to his head after what appeared to a frustrating night

Face of thunder: Coogan had a stern look in his eyes as he strolled through the night

Time to go: Once Daisy had left, the actor looked to make his own exit

But once back in London, with Daisy being feted for her performance in the cult comedy, Coogan had another ill-tempered outburst.

A friend of the pair said: ‘He was trying and trying to have the last word. He did not like the fact she was working – even less that the show is such a big hit. It was as if he did not want someone who’s a professional in her own right as a girlfriend, that he’d rather have someone at his beck and call.’

The couple went public last year, and were first pictured together in Dublin in September. They then walked the red carpet at a Hallowe’en Ball where they dressed as 1930s outlaws Bonnie and Clyde, and in March, they were spotted at London parties.

They marked their deepening relationship by getting a puppy, a labradoodle called Dougal, a gift from Lewis to Coogan. However, by the standards of a showbusiness romance, they have been low-key.

The night's still young: Despite the fiery argument, Daisy returned to the club later on having undergone a costume change and looked much happier

All smiles: She swapped her 60s-inspired ensemble for a pretty pastel dress and chunky heels which she teamed with a leather jacket and a trendy black fedora

Standing tall: She was spotted sharing a warm embrace with a mystery man on the roadside

Hats off: Daisy and her pal both removed their hats as they shared a hug

Deep in conversation: She looked relaxed as she chatted away with her male pal, who leant against a wall