Katie Melua is unsure if she is human

The 'Flood' singer confesses she has had deep philosophical conversations with herself in recent years and has come to the conclusion she may not be from Earth.

She said: "I don't even know if I'm human sometimes. I know that sounds mental, but I do believe we are all a bit like aliens."

The Georgian-born beauty also believes her new departure from folk music to more electronic-based material is still "simple", despite the change in sound.

She said: "Maybe what I'm now talking about is a bit strange, but there's still simplicity in it. I don't think this will baffle anyone.

"I will defend the previous material. Those songs were a lot about love. They were arresting and they were intense, emotionally."

The 25-year-old star also reveals she has spent time off prior to the release of her new album 'The House'.

She said: "I have enjoyed it. I don't regret it. There have been a lot of strange times but having the year off was one of the best things I've done.

"It meant being at home for a bit. Finding my roots. Doing a bit of gardening."