Dionne Warwick, meet Dionne Warwick.The legendary singer (and epic tweeter) made a surprise appearance on during the late night show's «The Dionne Warwick Show,» which saw cast member Ego Nwodim playing Warwick as she interviewed famous guests like «Miley Cyrus,» «Jason Mraz» (aka guest host Kieran Culkin) and Ed Sheeran (yes, the real Ed Sheeran). After Nwodim's Warwick put Cyrus, Mraz, Sheeran and Post Malone in their place, the real Warwick showed up to inject some sweetness to the sketch.