Unions that have stood the test of time

Supermodel Iman and rock god David Bowie were introduced by her hairdresser over 20 years ago.

"We got along very famously and we have been together since then," she explains. 

They share a whacky sense of humour, with the Somali beauty describing him as "just plain silly".

Meanwhile, she has bought a sense of peace to his life.

He once told an interviewer: "I don't have that sense of loneliness that I had before, which was very, very strong"