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Demi Lovato is looking to prove the haters wrong with her new album.  She tells MTV that she knows what her critics were saying when she became a judge on "X Factor" last year.  She says she wanted a chance to back up her mentor status by getting a positive response from her next album. 

Although she hasn't been confirmed for a second season on the show, she adds that she's dedicating to giving it her all, just like her contestants did.  Demi also let it slip that fans can look forward to an exciting collaboration on her follow-up to "Unbroken."  She didn't say who, but promised that "it'll be dope." 

The album still doesn't have a release date, but its first single "Heart Attack," will be out on March 4th. 

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