She'll co-headline Hollywood Bowl with Etta James
Plus the singer has collaborated with Jack Penate
Plus singer is aiming to finish song with Jamie T
Mark Ronson collaborator will kick off tour in January
Sam Sparro also to play
Justice and The Zutons are set to perform
Outing will support the release of '19'
Mark Ronson collaborator gears up for the States
Chart-topping singer will play mini UK tour this Spring
Plus Basshunter and Britney Spears hold on in the singles countdown