ASHLEE SIMPSON Bittersweet World (2008 UK 14-track CD album - 'Bittersweet World' was the result of some one on one time in the studio with hitmaker Timbaland and is jam-packed with catchy, hooky electro pop; Kenna & The Neptunes also sat in the producers chair, the album features some co-writing from Pete Wentz [Fall Out Boy] and the Plain White T's; and includes the single 'Outta My Head [Ay Ya Ya]')