A trick of the light perhaps?
You know someone is famous when they make it into Popbitch, that delicious Friday fix of celebrity tit bits.They are generally gleaned from the groupies of the glamour scene, so you find out all sorts of unusual things.

Chelfyn knew Derren Brown the Illusionist from when he lived in Bristol. Thanks to the wonders of net gossip he also now knows that Derren is a natural ginger.