For those who spend many years in the public eye, this can result in a microscopic level of detail when it comes to ageing. You can track every minute change in the way someone looks simply by looking at photographs.
One digital artist, Ard Gelinck, has taken advantage of this ability. He Photoshops photos of celebrities next to their younger selves – and, in the process, offers a fascinating snapshot into the lives of the rich and famous.
And Phil Collins:
And Justin Timberlake:
It’s not just musicians - here’s Sly Stallone:
And Michelle Obama:
Ard is constantly updating his Insta with new shots – you can follow him here.