"It's incredible no one knows who this is. You don't know who she is?" Vivienne asks me in her soft Derbyshire lilt. She audibly gasps as I shake my head. If you're a Swiftie, you know this past week has been hard. Post Taylor Swift and Joe Alwyn's split, we've been left with many questions and a heartbreak of our own (cue The 1). But the Golden Goose Sneakers Rebajas singer reassured us that...