Ageing, says Trinny Woodall, is not something that has worried her in recent decades. “I never think about it, and I’ll tell you why,” she says, resplendent in an all-silver outfit on a sofa of the Westbury Hotel lounge, “I probably thought about it the most before I went to rehab aged 25. Because I felt I’d lived an entire life then. I was so lost and I was trying everything – trying a bit of a job, a bit of a drug. I went through tonnes of friendship groups and people. I was so discombobulated and I felt my oldest then.