03/01/2012 04:25 pm ET

Justin Bieber, Selena Gomez's Cutest Couple Moments (PHOTOS)

Justin Bieber turns 18 years old today! It's a big milestone for the star, who was just 15 when his hit "One Time" put him in the spotlight.

Read more on POPSUGAR


Subscribe to the Entertainment email.
Home to your favorite fan theories and the best movie recs.