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 Admit it: you've been waiting all year for  this. Fifth Harmony has finally dropped the  music video for their smashing new single  "Sledgehammer," the second official release  from their forthcoming Reflection debut LP.  The clip, which features Vogue-style poses and high-octane high-fashion high-fun, showcases the group's stunning good looks and infectiously dizzying charm. It's a rather literal interpretation of the lyrics, as a hunky silhouette of a man grips a sledgehammer and bangs out the hip-hop beat.

[Buy Reflection on iTunes]

Ally, Normani, Dinah, Camila, and Lauren are front and center, elevated on a white platform in white dazzling outfits. They channel Madonna as they belt out the anthemic track; later on, they trade up for more stylishly bold and vibrant flowing dresses.

There's almost an Instagram-like quality to the filter on "Sledgehammer" (written by pop hit-maker Meghan Trainor) which allows the images to flourish and breath on screen. It's hard to imagine a time these girls had to compete on "The X-Factor." Now, they're bonafide stars and made for the camera!

Fifth Harmony's debut album Reflection, led with "BO$$," drops January 27 on Epic Records.