Demi Lovato is currently prepping her third album for a September release, and the teenage singer is apparently working with Timbaland and Missy Elliott, which the former revealed by tweeting "4 am: @MissyElliott and demi lovato @ddlovato working hard in the studio! #demiandmissy," and posting a photo last night. In January, Timbaland posted a video of himself praising Lovato and saying that he had written a new song for her.
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