Mr Campbell, who had no other tattoos, said he wanted to do it to show her that he could go through a little bit of pain for her too.
"My love for her really," he said. "Hey my hair can grow back."
Mr Campbell had shaved his head completely to get the tattoo done but said he would be letting his hair grow back.
He'd shave it off again and show off the tattoo at "special occasions," or if Charlotte wanted to see it.
WOW!! Alistair and Charlotte Campbell are world famous. This awesome story has gone viral (over 80,000 views and 15,000...
Posted by Hear 4 Kidz Trust on Wednesday, August 5, 2015