They dated briefly from 2015 to 2016, spending a romantic New Year's Eve together in St. Barts.
And it appears that Justin Bieber, 24, and Hailey Baldwin, 21, are back in each other's arms as they spent more time together in New York on Wednesday.
The duo stepped out to grab a coffee, looking in a cheerful mood, two days after being pictured on a hotel balcony together.
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Back on: Hailey Baldwin and Justin Bieber are pictured out in New York on Wednesday as it's claimed the exes are 'hooking up' again
Both casually clad, the singer wore white sweatpants and a Tommy Hilfiger hoodie while Baldwin opted for cut-off shorts, a white T-shirt and Dr. Martens.
Keeping out the chill the model beauty layered on a tan oversize R13 workman jacket.
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ShareThe outing came as it was revealed by sources close to the duo that they are seeing each other again.
'Hailey has always loved Justin and they have been best friends, so it's no surprise that they're hooking up again,' the insider told Us Weekly.
Big smiles: The duo appeared to be in a goofy mood as they strolled together after getting coffee
Inseparable: The duo have spent the last few days together after a trip to Miami over the weekend
Another source revealed the pair were holding hands when they left LIV nightclub in Miami on Saturday.
'Justin [put] his arm around Hailey throughout the night. [They] didn't shy away from the crowd or onlookers,' they said of the date night.
The club outing followed a day at VOUS church and a dinner at Casa Tua.
And in the days following they appear to be inseparable.
Baldwin recently addressed their romance in an interview saying she'd moved past the 'weirdness' of her split from the pop star.
She said that whilst they 'didn't speak for quite some time' following their high profile split, the pair have now moved on, and things are no longer 'weird' between them.
Caffeine fix: They were spotted leaving a Starbucks together with drinks in hand
Laid back looks: Both casually clad, Bieber wore white sweatpants and a Tommy Hilfiger hoodie while Baldwin opted for cut-off shorts, a white T-shirt and Dr. Martens
Jet-setter: Earlier in the day Hailey was spotted solo as she arrived at Bieber's hotel in NYC
Model on the move: The model showed off her slim pins in some white Dr. Marten boots and an oversize tan jacket
Hailey said: 'Justin and I were friends for a long time. I met him when I was really young and he was one of my best friends. Everybody knows that at a certain point in time that turned into something else, but that just happens when you're 18, 19. It was what it was. We went through a long period of time when we weren't friends. We didn't speak for quite some time and there was a lot of weirdness that went on. We've moved past that.'
She added: 'I'd never been through [a high-profile relationship] like that. But it brought both of us to the realisation that we just work much better as friends. He's somebody I really cherish. Now it's a very mature situation. It's good.'
Bieber split from longtime on-off girlfriend Selena Gomez in May after they gave their relationship another shot in October 2017.
Touchy feely: The pair - who dated briefly in 2015-2016 certainly appeared to be hands-on in Miami on Monday
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