Leona Lewis's brand new single "Trouble" featuring Childish Gambino. Releasing on 'Glassheart' album. Buy 'Trouble' here: http://itunes.apple.com/gb/preorder/trouble-feat.-childish-gambino/id552185043 Preorder 'Glassheart' album here: Play: http://bit.ly/Pzzqa4 Amazon: http://amzn.to/IMB5cL HMV: http://bit.ly/JodIFA For Promotion Use Only. No copyright infringement intended. All rights and respects to Leona Lewis and her label Syco Music, RCA and Sony Music Entertainment.