Shortly after he and his girlfriend Cheryl welcomed the birth of their son Bear in March, Liam Payne revealed that he'd quit smoking for the sake of his offspring.
But when the former One Direction star shot a music video for his new single Get Low on the streets of central London on Tuesday, he was spotted indulging in his old habit once again.
The Strip That Down singer openly puffed away as he took a break from his high-energy shoot - just three months after stating that kicking the habit was something he felt compelled to do, as it's 'not right' to smoke with a son.
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
Puff: Liam Payne, 23, was spotted smoking on the streets of London on Tuesday - just three months after announcing he'd quit the habit for his son Bear
In an interview on Kiss FM in March, he said: ‘I stopped smoking, that’s the best thing ever. Honestly, anyone out there who’s trying to stop smoking, just do it, honestly.
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Share 868 shares'I just did cold turkey, I knew my son was coming, and I was like, I’m not gonna be smoking with my son, that’s not right.’
He added: 'My life’s not my own anymore, now, it’s not mine to decide, so smoking had to go.’

Hard man: Holding his cigarette between his index finger and thumb, Liam squinted menacingly as he matched his expression to his newly hardened image

Inspiration: The crooner appeared to take inspiration from Noughties rap band Goldie Lookin' Chain as he paired his eye-catching gold ring with a thick chain necklace


How times change: The crooner rose to fame as one fifth of preppy boy band One Direction, but has firmly shed his squeaky clean image since he has gone solo (Left photo: 2012)
During his music video shoot, Liam put his preppy past firmly behind him as he channelled gangster chic as he shot in London's Trafalgar Square - and a number of other landmarks around the English capital.
Wearing a chunky gold sovereign ring on his little finger, the former pop crooner shed his squeaky clean image as he puffed away on a cigarette with a cheeky look on his face.
Liam appeared to take inspiration from Noughties rap band Goldie Lookin' Chain as he paired his eye-catching gold ring with a thick chain necklace.
Holding his cigarette between his index finger and thumb, Liam squinted menacingly as he matched his expression to his newly hardened image.

Earning his street cred: Liam completely dismissed his height of fame on Monday, and instead embarked on a busking performance at Oxford Circus underground station

Dancing in the street: Liam danced up a storm as he performed at a different location later

Strip That (Music) Down: Joined by Selena Gomez's DJ ex (above), the duo gathered quite the crowd as they performed a low-key version of their new song Get Low
He swept his cropped locks into a messy style, and displayed his hand tattoo as he puffed away, another addition to his ruffian look.
The Strip That Down crooner then took filming to Oxford Circus, and added to his gangster ensemble in a trendy bomber jacket as he belted out an acoustic version of his new single Get Low with Zedd, to the delight of surrounding shoppers.
Pairing the bomber with black jeans, Liam kept things casually cool as he sang for crowds on the famously busy shopping street, as part of filming for the song's music video.
Maintaining his now-trademark street style with white sports trainers, the singer appeared more than comfortable with his humble surroundings as he embarked on the rare acoustic set.

Man of the hour: Dressed in a black bomber jacket and black jeans, Liam kept things casually cool as he sang for crowds on the famously busy shopping street

Low-key: Maintaining his trademark style with a gold chain around his neck, the singer appeared more than comfortable with his surroundings as he embarked on the acoustic set

New moves: Liam has acquired some slinky new dance moves after going solo, and demonstrated them along with his new R'n'B sound while he performed

Ladies Get In Line! Liam's dancers were all clad in similar street style looks, and surrounded the hunk as they practised their routine
Joined by Selena Gomez's DJ ex, clad in an equally trendy metallic bomber, the duo gathered quite the crowd as they performed stripped-back version of their new song.
With Zedd's portable keyboard as the only backing track, the Wolverhampton native was met with huge cheers from the growing cluster of fans as he proved his vocal talents on the streets of London.
The pair had teased they were on their way to an impromptu performance, by posting clips of themselves singing in the car on their Instagram stories.
Later revealing their plans to perform all over the city, Zedd took to his Twitter to confirm their next location, writing: 'London - @LiamPayne and I are heading to Trafalgar Square to perform a little fun rendition of Get Low for you - in 10mins! Come through.'

Simplicity is key: With Zedd's portable keyboard as the only backing track, Liam proved his vocal talents on the streets of London, without the need of a big venue or back-up band

Word on the street! The duo gathered quite the crowd as they performed a low-key version of their new song Get Low

Dream team: Joined by Selena Gomez's DJ ex, clad in an equally trendy metallic bomber, the duo gathered quite the crowd as they performed stripped-back version of their new song Get Low

Meet and greet: With Zedd's portable keyboard as the only backing track, the Wolverhampton native was met with huge cheers from the growing cluster of fans as he proved his vocal talents on the streets of London

Teasing the crowd: The pair had teased they were on their way to an impromptu performance, by posting clips of themselves singing in the car on their Instagram stories

Secret project: Zedd later revealed their plans to perform all over the city on his Twitter page (above)

Shake your groove thing! Liam appeared to be on top of the world as he danced with his fans
Liam and the DJ are known to be good friends, having recently collaborated on dance track Get Low, released in July.
Zedd had produced the song before he met the former One Direction star, but asked him to provide the vocals - later remarking Liam 'gave the song a lot of soul, and really influenced' the track.
Meanwhile new dad Liam gushed to Billboard that the DJ, born Anton Zaslavski, was a 'perfectionist', and made people feel like they were recording with a friend.

Towering heights: Tower Bridge provided a majestic backdrop as he performed for cameras

On a high! Clearly delighted by their performance, Zedd went on to share a playful photo of him and Liam, which saw the singer impressively balane himself on a lamp post in celebration

Dynamic duo: Liam and the DJ have become good friends since collaborating on their dance track

Back at it again: The singer returned for a second day of shooting, after Monday's scenes


White tee: The star sported a pristine white longline T-shirt under his jacket as he performed

Stop in the name of love: Liam displayed a range of hand movements as he boogied away
Despite his impressive music career, Zedd recently admitted he did not understand true fame until Selena Gomez, who he dated for three months in 2015, 'came into his world'.
'Reporters were calling my parents,' the Russian-born, German-raised 27-year-old recalled in the August 19 edition of Billboard.
'People were hacking my friends' phones. I was p***ed. [Though] I kind of knew what I was getting myself into. She is one of the most talked about people in the world, but I had no idea how much that would change my life.'

Enjoying the view: The star was surrounded by thrilled fans as he shot his music video

Busting a move: High-energy dancers showed off the best of their moves as he sang away


Happy days: The former One Direction star appeared to be in decidedly good spirits on the day

Centre of attention: The father-of-one brought the bustling London location to a standstill

Bonus sightseeing: Camera-toting tourists were seen lapping up the pop music surprise
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
All over the town: The singer shot scenes for his video at locations all over the English capital

Jumping, jumping: The singer repeatedly jumped in the air as he danced for the crowds

He's on board: Liam focused his attention on the keyboardist in the midst of his dance routine
The electro house producer featured the 25-year-old pop diva - whom he nicknamed 'Mexican Taco' - on his 2015 track I Want You to Know, which nabbed the No. 17 spot on Billboard's Hot 100.
Selena - who famously dated Justin Bieber - is now romancing Canadian R&B crooner The Weeknd, and they will celebrate their first anniversary in December.
While he now remains tight-lipped about his love life, Zedd has won over a number of big names in the industry - with Liam and a host of other musicians praising his work.

Working the crowd: As he continued to sing, Liam moved his way through the excited crowd
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
Can you hear me now? Between singing on the mic, Liam was also seen holding a megaphone

Skipping along nicely? At one point, the pop heart-throb appeared to tease a skipping session

Not missing a beat: His small troupe of dancers stayed focused as they broke out their moves

Strike a pose: Liam also gave fans an extra treat when he posed for a slew of selfies with them

That's just how he rolls: He arrived at the location in a luxury chauffeur-driven Range Rover
Kesha called Zedd 'the true definition of a gentleman' after they redid his song True Colors last year in the midst of her legal battle with Dr. Luke.
'I hope we're friends forever,' the 30-year-old songstress gushed to the mag.
'Zedd reaching out was such a kind gesture. It resonated with my heart and soul and really touched me.'
Oscar winner Jared Leto has also been collaborating with Zedd on his rock band Thirty Seconds to Mars' forthcoming fifth studio album, and marked yet another star to praise the DJ.

Pristine: The father-of-one sported a pair of pristine white trainers for his day of shooting

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Traveller: The star has recently been travelling the world promoting his music since going solo

He's got the power: A power pack for Liam's microphone was placed inside his black backpack


Perched: His bag remained steadily perched on his shoulder as he danced away in the streets

Dip it low: The singer was in sync with his smiling troupe of dancers as he performed all day

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Energy: His energy levels remained high, despite the long and gruelling shooting schedule

Hands in the air: The crowd clapped along and waved their hands in the air as they looked on
'He is a relentless worker and really puts in the time. He is not someone who just shows up and takes selfies all day,' the 45-year-old frontman told the magazine.
'It's really refreshing when you see someone who works hard and has earned [recognition], and not be a total f***ing a**hole while doing it. We have plenty of those [people]. You can take your pick.'
Unlike a lot of EDM artists of his ilk, the Stay hitmaker avoids private jets, drives a Tesla, doesn't drink vodka/beer, and requires 'eight hours of sleep' to function.
The former poker competitor - who's in the States on a temporary O-1 nonimmigrant visa - shrugged of his seemingly modest lifestyle: 'I can't work any other way.'

Fling: As well as his music, Zedd is known for dating Selena Gomez in 2015, and recently admitted he did not understand true fame until the actress 'came into his world'

The Russian-born, German-raised 27-year-old recalled in Billboard: 'Reporters were calling my parents. People were hacking my friends' phones. I was p***ed'

'I had no idea how much that would change my life': The electro house producer featured the 25-year-old pop diva on his 2015 hit track I Want You to Know

First to reach out: Kesha called Zedd 'the true definition of a gentleman' after they redid his song True Colors last year in the midst of her legal battle with Dr. Luke (pictured in 2016)

'He is a relentless worker': And Oscar winner Jared Leto has been collaborating with Zedd on his rock band Thirty Seconds to Mars' forthcoming fifth studio album

In demand: The multi-millionaire musician will next perform Friday at Las Vegas hotspot Hakkasan before eventually kicking off his 15-date Echo Tour on September 29 in Vancouver
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