Gwen Stefani has been busy recreating some of her most iconic looks for her new music video and that includes her blue fluffy bikini top!The No Doubt singer, 51, shared a throwback photo of herself rocking the edgy outfit - complete with blue hair and bindi accessories - and placed another of her wearing it today, next to it. MORE: Gwen Stefani showcases her abs in bra and skirt and fans react"How it started.