Is it fear, superstition, fun or just because they can be cheaper on that day?

Northampton Saints fan Simon Stacey says his tattoo of the club's new crest looks "amazing".

Tattoos have become a way for people to reclaim their bodies by targeting areas of insecurity and turning it to art.

A special tattoo was given to a person with Scoliois and the Royal Air Tattoo saw 150,000 visitors.

Laura Ellis, who often has people pointing at her, hopes the tattoo will make her life "easier".

Hundreds of tattoo artists and enthusiasts are gathering to share their love of the art form.

The designs aim to highlight WaterAid's mission of bringing clean water to people living in poverty.

Sarah Olive lost her belly-button after a hernia and tummy tuck operation six years ago.