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: While not credited as a "featured artist," background vocalist Myah Marie reportedly performed a significant portion of the vocals on the studio version, with Spears' own vocals appearing primarily in the bridge and outro.

: The song was executive produced by will.i.am , who also co-wrote it. His influence is prominent, and the track followed their successful 2012 collaboration, "Scream & Shout". Work Bitch

: An unofficial remix exists that features a verse from Azealia Banks . : While not credited as a "featured artist,"