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Where Have They Been? Pop Stars Missing In Action
4. Bruno Mars
Where Have They Been?: Bruno confirmed early on in 2012 that he had started work on the follow-up to his mega hit debut 'Doo-Wops & Hooligans', but has been noticeably quiet for much of 2012 while working in the studio on new material. When Will They Be Back?: Bruno recently announced that his sophomore album is now completed and has promised fans they will hear new music as early as October!