Britney Spears has called X Factor USA a "beautiful concept" as she begins her stint as a judge on the TV talent show.

And she even took time to call the show's supremo Simon Cowell "completely adorable".

Speaking to MTV News, Spears said that she hopes to inspire the contestants on the show to "fulfill their dreams". She said:

"Just really being able to be there and inspire the other contestants...they're so young and they're trying to fulfill their dreams. It's just a whole beautiful concept. It's just really cool."

The pop princess meanwhile was asked how Cowell managed to persuade her to join to show, to which she replied:

"He's adorable. He's completely adorable. He didn't have to try hard."