The 24-year-old R&B; star Rihanna has got a small cross tattooed on her collarbone. It is another add on to her assortment of body art. According to Ace showbiz, Bang Bang, her favourite tattoo artist, did the honours same as the rebelle tattoo which decorates her neck elegantly. She decided to have the small cross, inked on her collarbone, so as to hide it with a necklace whenever theneed be. "She loved it. She always flips out when it's done and jumps up and down like a 16-year-old girl getting her first car," Bang Bang added. Its the 13th tattoo on her body by the artist.