Justin Bieber, Canadian singer and teen idol whose fresh-faced good looks and appealing pop songs sparked a global craze beginning in 2009. His albums included My World 2.0, Believe, Never Say Never: The Remixes, Under the Mistletoe, Purpose, and Changes. Learn more about Bieber’s life and career.

Justin Bieber fans have expressed their shock at the singer's real age, as he turned 30 today. The pop sensation received a flurry of messages from fans on social media.