It’s the big celebrity pairing that fans of one of the biggest boybands and one of the most showbiz families in the world desperately want to see: Harry Styles and Kendall Jenner. However, despite teasing us with romantic possibilities, it seems the two have called it a day, yet again.

Harry StylesHas the 1D lothario broken his model's heart?

The singer and the model had recently sparked new rumours of a rekindled love after seeing in the New Year together following an initial relationship flirtation in 2013.

But now their latest pairing has been rocked by cheating allegations.

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Reports from the Mail Online suggest that Harry, 22, has been unfaithful to Victoria’s Secret star Kendall, 20, with fashion stylist Pandora Lennard, 27, at his north London home.

Suggestions of trouble in paradise only increased when Kendall left a party attended by Harry at the weekend just an hour after arriving - and looking none too happy about events either.

Kendall JennerKendall Jenner might not be too happy with rumoured boyfriend Harry Styles

A source told The Sun that it "doesn’t look too good for Kendall and Harry".

The source said: "Kendall cancelled a modelling gig the other side of the world to be at the party. She didn’t too happy on arrival."

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Reports suggested Kendall had cancelled potential Paris Fashion Week work to be with the One Direction star and had flown to LA from Paris just hours before.

However, her commitment seemed to be in vain and now eagle-eyed fans are left wondering again if this showbiz couple favourite can ever make it work.