Julie Thomas, from Sussex, had the design and the words "Grandpa H", put on her arm to remember her grandfather.

But it's against the law for people under 18 to get tattoos, and Julie's mum, Mary, wants the tattooist who did it to be investigated.

Julie says she felt pressured into getting the design. She said: "If I could scratch it off, I would."

She went on: "I didn't realise how big it was until I saw it in the mirror."

The tattooist who did Julie's design apparently only does the designs as a hobby.

Julie has had to have blood tests to see if she's caught anything from his needles, but won't know the results for three months.

The design cost £40, but it could cost up to £600 for painful laser surgery to have it removed.

Illegal

The law says people under the age of 18 can only get tattoos for medical reasons.