Jamie Winstone splits from Game of Thrones finance Alfie Allen

Game of Thrones star Alfie Allen and actress Jaime Winstone have called time on their relationship due to busy work schedules.

The 29-year-old actress and Lily Allen's younger brother have ended their relationship once again due to their busy work schedules.

The couple broke off their engagement in 2010 before reuniting again last year.

Alfie - who plays Theon Greyjoy in the TV show - is busy filming the new series in Belfast, Northern Ireland, while Jaime, 29, is tied to work commitments in London.

According to the Daily Mirror, the news has come as a shock to friends of the couple who believed the engagement could be back on.

The couple got engaged in 2008 before splitting in 2010. After the split the Mad Dogs actress dated photographer Tom Beard before reconciling with Allen in March last year.

Last year Jaime said: "I'm really happy. He's my best friend."

The pair are said to have already started dating other people.

Meanwhile, 27-year-old Alfie recently rubbished claims that his sister would be joining him on Game Of Thrones.

The singer claimed to have been offered a role on the series but turned down the part as it called for her sibling to touch her in a manner she deemed inappropriate.

Referring to Lily's alleged role in the drama, he told Vulture: ''The only thing I'm going to say on this is that's not true.

Newly single Winstone is set to play one of the leads in new Sky comedy drama After Hours which is based around an internet radio station.