‘I had to learn to live in my body again’

In a cold, oak-panelled boardroom at Sotheby's auction house in deep Mayfair, FKA twigs looks out of place. She's clad in her uniform of a "worn-out, Japanese-blue" dancer's bodysuit and a wraparound, matching, knee-length zip-up hoodie; it's the colour she's been living in for the past few months because it "says nothing" but "always looks good".

The 36-year-old singer is softly spoken, diminutive at 5ft 7in, and looks utterly otherworldly: her makeup-free skin glows and her head is shaved except for a ponytail with braids at the back, an ancient Egyptian style she adopted after her father (a musician she ...