Celebrity reinvention of their age and past, soon they won’t be able to

There is a particular celebrity, who I grew up with, we dated and had sex (too young in hindsight, we were under 16). DW knows about this (she’s shagged minor rockstars doing the groupie thing), every now and then she points her out to me, when she’s in the newspapers. This celebrity is nine months older than me, so in just over a years time she will have her fiftieth birthday. She’s shaved ten years off her age. I wonder how you reconcile that, publicly you’re late 30’s, privately you’re late 40’s.