Ellie Goulding is rumoured to be among the favourites to sing the theme song for the new James Bond film, Spectre

Singer Ellie Goulding may have posted the closest hint yet that she will be performing on the new James Bond soundtrack.

The 28-year-old, rumoured to be a favourite alongside Sam Smith, posted a snap of herself leaving London's famous Abbey Road Studios.

She captioned the photo: "That's a wrap."

Following the release of the first trailer last week for the new 007 film, Spectre, there has been much speculation as to who will be singing the theme song.

Ed Sheeran is another big name being bandied about.

Earlier in July, Goulding posted a cryptic tweet writing "Live and Let Die", which many took as a reference to the Bond movie of the same name.

Director Sam Mendes hinted recently that the Spectre theme song had been done, but gave away no further details.

He told the BBC: "I can say that the song's been recorded and it's fantastic and I'm very excited about it. You won't have to wait long."

Skyfall's theme song was sung by Adele, and took the Oscar for Best Original Song.

Bookmaker William Hill yesterday had Smith as the 4/5 odds-on favourite for the Spectre track.

"It looks like Sam Smith could well be singing the theme tune to Spectre," said William Hill spokesman Jon Ivan-Duke. "Sam is odds-on, but Adele has crept in to the betting and appears the only realistic alternative."