Rihanna has been photographed several times with visible nipple piercings (above).

Wait….does sweet Rachel Bilson have a nipple piercing?!

Christina Aguilera has her right nipple pierced.

Pink had her nipple pierced backstage after a concert in Germany, with her mother present.

Nicole Richie, in her pre-motherhood wild days, displayed her nipple rings on the runway (uncensored pic here).

Janet Jackson might in fact have the world’s most famous nipple piercing.

Do you like the look of nipple rings, Lovelies?