The boyfriend of X Factor’s Cher Lloyd has been accused of cheating on the singer with a 21-year-old waitress.

Karim Roundi, the 20-year-old Essex socialite was introduced to Cher by her fellow X Factor contestant Paije Richardson and friends say Karim has been dating Cher since the X Factor final last month.

But it seems things are no longer so rosy between the couple, as another woman claims to have had a one-night stand with Karim.

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Kate Cross, who met Karim at a public appearance by Paije Richardson in an Essex club told The Sun:

“I went with them to their hotel for drinks. Me and Karim kissed. He asked me upstairs for a hot chocolate and one thing led to another. Before we went Paije said, ‘What about Cher?’ I thought it was a joke.”

She said she thought Karim seemed like a nice guy when they met but after having found out that he had a girlfriends at the time of their fling, she’s changed her mind.

Kate said: “He seemed quite nice but now I know he’s a dog who cheated on his girlfriend.”

Karim and Cher have been communicating on Twitter over the last few weeks, but Cher has now deleted his account.

Only last week Karim tweeted: ‘@CherLloyd fancy kidnapping me? I miss you.’

Cher posted: @karimroundi la la la. Watchin you. Ha’, to which he replied, ‘la la la! I’ll be good baby!!

Well, according to these latest reports, you have been a very naught boy Karim.