Celebrity body art is back in the headlines after Rihanna revealed her striking new piece of body art on her chest. The tattoo of winged Egyptian goddess Isis is a tribute to the singer's late grandmother and has been carefully inked under her breasts. But Rihanna is not alone in expressing herself through body art. A whole host of Hollywood 's leading ladies have risked their looks by being indelibly marked by everything from stars to their children's names. Here we take a look at some of Hollywood 's most famous tattooed ladies and why they felt the need to express themselves with body art.