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"Game Of Thrones" co-stars Kit Harington and Rose Leslie have ended their real life romance, according to a U.K. report.

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The actors began dating after becoming close on the set of HBO's hit fantasy TV series, but their off-screen relationship has now come to an end, according to Britain's Mail on Sunday.

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A source tells the publication, "Rose and Kit are no longer together. Rose has a new boyfriend who is not in the public eye. She is eager to keep this relationship out of the spotlight."

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The former couple played onscreen lovers Ygritte and Jon Snow on the show.