We’re still weeks away from Halloween, but Miley Cyrus and Jimmy Fallon already have everyone’s costumes beat. Continuing Miley’s weeklong residency on the Tonight Show — and completing her transformation into a pop star turned country star, better known as the Reverse Taylor — Miley performed Dolly Parton’s “Islands in the Stream†dressed exactly as her godmother was when she sang the song at the 1983 Grammys. We’re talking the full permed blonde updo (what a wig!), inflatable perky boobs, and that black-and-gold corset gown (borrowed from Dolly’s closet, we can only assume). And there’s Fallon as Kenny Rogers, gray beard and all. Hello, Miley! For comparison: