He's gained a legion of fans as the star of clue-solving icon Sherlock, but actor Benedict Cumberbatch has been keeping everyone guessing as to the identity of his rumoured girlfriend.
The Sunday Mirror claims that the 38-year-old heart throb has been dating theatre director Sophie Hunter, 36.
The pair were first pictured together at a French Open tennis match in June and Benedict is said to have been dating the Oxford-education beauty for a matter of weeks.
The couple starred together in movie, Burlesque Fairytales which was released in 2009.
The paper reports that when asked about her daughter's relationship with the Star Trek actor, Sophie's mum Anna cryptically told the Sunday Mirror: 'Watch this space. You never know.'
The in-demand actor is balancing his private life with a busy working schedule and has been busy promoting his latest movie, The Imitation Game, alongside Keira Knightley at the TIFF.