London and New York have been throwing side-eye across the Atlantic for centuries. London says it’s older, classier, and has better museums. NYC says it’s faster, sassier, and doesn’t stop for tea. The truth?

On my recent trip to London, I finally made it to this iconic Knightsbridge landmark—and let me tell you, walking through those doors was like stepping into a fairytale curated by luxury brands and whispered secrets.