What I discovered about the real Taylor Swift when I visited her £40m home: The superfan invited into her house reveals the star’s secret doors hidden in bookcases and what she keeps in the toilet

If anyone ever doubted Taylor Swift’s megastar status, the reaction to her 11th studio album could not have been more emphatic.

The Tortured Poets Department — her surprise double album released on Friday — broke streaming records across all the major platforms, from Spotify to Apple Music. It’s the first album in Spotify history to have over 300 million streams in a single day; it’s the biggest pop album of all time by first-day streams on Apple Music; and on the day of its release,…