Rihanna Celebrates Her 30th Birthday! 7 Things to Know About the Singer Her real name is Robyn Rihanna Fenty. She has 21 tattoos! She has yet to perform with Beyoncé...so when? She drinks a shot before going on stage. Her famous hit "Pon de Replay" is already 13 years old. She has some Irish roots! Sia's "Cheap Thrills" was originally written for her.