Sam Smith is ''definitely not'' singing the Bond theme for 'Spectre'.

The four-time Grammy Award winner was hotly tipped to be the next 007 hitmaker on the upcoming movie's title track but has flat out denied any involvement with the project, admitting ''that's not me''.

Asked on BBC Radio 2 whether he's currently working on the 007 music, he said: ''That's not me. That's definitely not me. I've still got loads to do, I've got an Australia tour, but I kind of finish in December which is great, it gives me a chance to be in London, be in my home and go out with my friends.''

And even though Adele's 'Skyfall' won the James Bond franchise its first ever Oscar, Sam, 23, said he's been too busy shedding the pounds and buying a house to think about it.

He added: ''I had the Grammys in February which was unreal. I've done two American tours, one throat operation on the vocal cords. I bought a house, which is amazing. I lost weight, that's probably a good thing. I was really fat before. Trust me, I was fat.''

However, the Stay With Me' crooner is making time to work on his next album - which was delayed due to his vocal chord surgery in May - but revealed he won't collaborate with other artists.

He said: ''I always play with this idea in my head. I adore Adele records and if you go back to Etta James records and Nina Samone and Sarah Vaughan, I love how their album is just them. I think that's important.

''I like to collaborate, I think it's an amazing thing, but I kind of like to do it outside of the album. I feel like that the album is my voice, I should tell a story. So I don't think so. But I will collaborate.''