Family Guy creator Seth Macfarlane has split from his actress girlfriend Emilia Clarke, according to reports.

The 39-year-old writer/director and the Game of Thrones star began dating last year and went public with their romance at an Emmy Awards party in LA in September.

Speaking to E! Online, a source said: "They are no longer dating. It was really a location challenge. She has been in Europe shooting Game of Thrones and he is based in California, so it was hard to make it work... They have remained friends."