It has long been a case of are they or aren't they, but there can be no denying it now.

Diane Kruger and Norman Reedus can finally be confirmed as an item 15 months after they were first spotted cozying up together - and eight months after her decade-long relationship with Joshua Jackson ended.

The former co-stars were seen locking lips as they had a marathon night of drinking around New York on Tuesday.

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Its official: Diane Kruger and Norman Reedus can finally be confirmed as an item 15 months after they were first spotted cozying up together - and eight months after her decade-long relationship with Joshua Jackson ended

Sealed with a kiss: The former co-stars were seen locking lips as they had a marathon night of drinking around New York on Tuesday

The 40-year-old actress and the 48-year-old walking Dead star could not stop smiling as they indulged in their PDA-filled bar crawl.

The duo kicked off their night at 8pm in the East Village where they laughed and drank it up at the Mexican Radio.

Almost four hours in, the pair decided to change locations and were obviously in stellar moods.

No doubt the company and a few cocktails helped the stars feel so good as their great mood was evident as they walked along hand-in-hand.

Locked lips: A source said the pair spent half an hour 'passionately kissing' on a street corner

Party couple: The 40-year-old actress and the 48-year-old walking Dead star could not stop smiling as they indulged in their PDA-filled bar crawl

Round one: The duo kicked off their night at 8pm in the East Village where they laughed and drank it up at the Mexican Radio

According to an onlooker, Diane and her zombie-fighting beau 'exited the bar happy, smiling and holding hands [and were] speaking to random people on the street'.

'They looked like they had a great time!' the onlooker said.

When one man greeted the jovial couple they span around and waved at him.

Spreading the joy: No doubt the company and a few cocktails helped the stars feel so good as their great mood was evident as they walked along hand-in-hand

New love. new friends: When one man greeted the jovial couple they span around and waved at him

Obviously feeling rather loved up, Norman pulled the blonde beauty against a wall and gave her a big kiss.

A source said the pair stayed that way for half an hour 'passionately kissing' before heading to their next location.

Finally able to come up for air the actors stopped in a Soho bar The Ship.

Come here you: Obviously feeling rather loved up, Norman pulled the blonde beauty against a wall and gave her a big kiss

And breathe:Finally able to come up for air the actors stopped in a Soho bar The Ship

Not ready for the party to end, Diane and Norman stayed inside the warm drinking hole till 2am.

But still the party was not over, it was just getting a little more exclusive, with the twosome heading to Norman's home around 2am.

For their date night turned bar crawl, the German actress dressed down wearing a pair of distressed jeans which were cuffed at the ankle and a black T-shirt. She finished off the look with a big furry black coat and lace up heeled boots.

Still going: Not ready for the party to end, Diane and Norman stayed inside the warm drinking hole till 2am - where they stayed until heading back to Norman's house

Low key: For their date night turned bar crawl, the German actress dressed down wearing a pair of distressed jeans which were cuffed at the ankle, a furry jacket and a black T-shirt

Norman meanwhile dressed very casually in dark trousers with yellow laced boots and a hoodie from Californian label SSUR Clothing.

The public make out session ends over a year of speculation about the pair's relationship.

Whispers first started after there was a report that Diane was seen getting very cozy with the Walking Dead actor in December 2015.

Been a while: The public make out session ends over a year of speculation about the pair's relationship which started after there was a report that Diane was seen getting very cozy with the Walking Dead actor in December 2015

Ex files: It was not until July 2016 that Diane and her boyfriend of 10 years Joshua Jackson (pictured October 2015) announced they had split

It was not until July 2016 that Diane and her boyfriend of 10 years Joshua Jackson announced they had split.

Norman and Diane have since been spotted together on a few occasions but have never been seen showing any form of affection.

The pair met while filming the 2015 film, Sky, which also starred Diane's then-beau Joshua Jackson.

The German actress played a woman who is finding herself after her marriage breaks down and embarks on a sexual relationship with Norman's character.

Chic: Diana was spotted working casual chic in New York the following day