The 'Shine Ya Light' singer, 22, showed off her new body art - an Alberto Vargas pin-up girl - in a picture which she posted on her Twitter account to her thousands of fans.
In the seductive shot, Rita is wearing nothing apart from a towel as she poses with her tattooed right ribcage to the camera.
Alongside the photograph, Rita has written the message: "Say hello to my new little friend Rosetta...thank you @bangbang she's beautiful."
Rita Ora (@RitaOra) September 15, 2013
Rita's tattoo took five hours to complete and Bang Bang tattoo artist called it the "most detailed tattoo" he's ever done for a celebrity. It's believed to be Rita's 15th tattoo.
At the same time, best friend Cara Delevigne, 21, also got her fifth tatt.
The model chose to have her mother's name, Pandora, tattooed on her left arm.
What do you think of Rita and Cara's new tattoos? Tell us your opinion below!