Agyness Deyn might be upset about her recent break-up with boyfriend Josh Hubbard - but she certainly isn’t showing it.

The Manchester-born model was at the launch party of the Karaoke Box in Farringdon last night, and was determined to have a good time.

After quaffing numerous drinks, she stunned partygoers with her rather carefree attitude.

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Rock on: Agyness Deyn steps up for a spot of karaoke with friends, including TV and radio presenter Nick Grimshaw

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Down and out: Agyness takes a tumble but manages not to spill her drink

A source reveals: 'At one point she was in one of the karaoke rooms with Nick Grimshaw and they decided to do a duet together to the song Jordan and Peter Andre sang for Eurovision.

'But when Nick then sang Peter’s hit Mysterious Girl, Agyness turned into a different woman. She was dancing provocatively and decided to flash her breasts to the crowd.

'She was pretending to be Jordan, and told everyone, "I want to be a bimbo". She was pushing her boobs up so she had a cleavage.'

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Lip smacker: The model shares a kiss with Remi Nicole as she plays up for the cameras

Towards the end of the night, Agyness was overheard boasting to pals how pleased she was to be single, enthusing: 'I love it.'

Indeed, the night proved to be so much fun that one of Agyness' friends didn’t want it to end.

Nick and Agyness had piled into a cab - with the intention of heading over to Amy Winehouse’s Camden pad to continue partying (Nick had been on the phone to her earlier) - but singer Remi Nicole didn’t want them to go and jumped on top of their car. 

After she was persuaded to climb down, they all disappeared into the night.

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Stopping traffic: Remi Nicole on the roof of their cab at the end of the night