A new powder blue Starbucks x Stanley cup is rumored to be coming this spring which social media users are already going gaga for. Photos of the tumbler are circling TikTok, although it hasn’t been confirmed by the chain. GRV Media and The Focus have reached out to Starbucks for comment. Powder blue Starbucks x Stanley CupThe rumored collaboration is one of Stanley’s iconic Quencher H2.0 Flowstate Tumblers in a stunning pastel poweder blue color. It’s complete with a blue handle, transparent blue-tinted lid and matching straw, and has “Starbucks x Stanley” embossed on the side. Instagram user …