Welcome to Nose Piercing 101: Cosmopolitan's handy guide ... The right side, a hoop, the left side, a stud. My last stud fell ...

Scroll on to learn more about septum piercings, including price, potential side effects ... the center of your nose, ...

Justin Bieber is officially bringing back his nose piercing. Bieber ... the camera while sporting a single diamond stud in his left nostril as he relaxed shirtless in bed. Besides his nose ...