Jessie J 'wrote 600 songs' for album

Jessie J has admitted that she wrote '600 songs' for her album.

She told The Sun: 'I wrote 600 songs in the last 6 years.'

Before adding that the tracks that didn't make the album: 'Get pitched to other artists

'Some don't ever get used, some get used on films/adverts...and some I'm saving for the next album.'