Got a case of the Tuesday / post-Easter sads? Our December cover girl, Hilary Duff, is here to help. Her just dropped track "Sparks" has got a propulsive beat, a very-singable hook, and a certain je-ne-sais-quoi that's totally unexpected from the artist-formerly-known-as-Lizzie-Mcguire. Have a listen, and report back! PS Her 5th album is due out this summer, if you're asking for a friend or anything.
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