Tom Daley accused of cheating on fiance Dustin Lance Black with male model

Tom Daley and his fiance, Dustin Lance Black, have been rocked by allegations that Tom had a secret 18-month affair with a male model while his partner was out of the country working.

A source has claimed that the Olympic diver met up with the British model in London while Oscar-winning screenwriter, Dustin, was away.

Speaking to The Sun, the insider dished that Tom and the model first bumped into eachother by chance before Tom invited him to a barbecue with himself and Dustin, 42.

They continued to meet up as a trio but when Dustin left the country, things turned steamy and Tom started to send saucy text messages.

The insider claims that the mystery model told friends it was “a purely physical relationship with not much emotion involved”, adding: “Tom was very confident and forward with a huge sex drive.”

The source continued: “It would always happen when Dustin was away and would be quite short-lived. They would hook up for half an hour or an hour and that would be it.”

The Sun went on to allege that the apparent affair was an “open secret among sections of the local gay community”, eventually ending in 2015.

Neither Lance or Tom have commented on the allegations, with the pair getting engaged in 2015 following a two-year romance.

The pair first met at a mutual friend’s Los Angeles dinner, with both stars secretly buying rings and planning a proposal at the same time only for Tom to be the one to get down on one knee first.