The 26-year-old's Insatiable album failed to make an impact on the UK charts last year.
And now the Girls Aloud star is now concentrating on writing new songs for some of the world's biggest stars.
She told British newspaper The Sun: 'I'm working on a Celine Dion project - her comeback. Her people contacted my people and now I'm doing that.
'And I wrote another song for my album with a great producer and he contacted me saying Aretha Franklin wanted to try my song. It's amazing to me that songwriting is an actual job.'