Kate Moss' relationship in jeopardy?

Kate Moss' relationship with 'Kills' rocker Jamie Hince could be in trouble after photos of the supermodel with another man were published in a Sunday newspaper.

Moss, 33, was photographed in Mexico while boyfriend Jamie was back home, busy working on his band's new album.

According to reports, Kate was sunbathing with a mystery man - who was seen draping over her at one point.

At the time, an onlooker said: "They were very playful and touchy-feely and seemed to be having a lot of fun."

This is just one of many arguments for the pair, since they got together in October. Jamie stormed out of Kate's house in the early hours after a night of partying

Jamie was also said to be furious at Pete Doherty's request that Kate join him on stage with his band 'Bambyshambles'

Friends of the couple have blamed a conflict of interests, with Jamie preferring the quiet life, while Kate refuses to settle down.

A pal told Britain's News of the World newspaper: "Jamie is very quiet and prefers walks in the country to beach fun.

"Kate is over Pete but she misses the mayhem that went with him."