There's Nothing Holdin' Me Back Shawn Mendes
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.'