Photo credit: Power_106 (Instagram) The Barbz have been waitingggg for this “Megatron” drop. Last week Nicki Minaj posted some photos to her IG of some BTS scenes of her new music video.   View this post on Instagram   #Megatron + #QueenRadio 6|21 A post shared by Barbie® (@nickiminaj) on Jun 13, 2019 at 10:53am…