Sat, 25 Feb 2012 02:17:31 GMT | By Jackie Burns
All grown up: Justin Bieber turns 18

Bieber Fever sweeps the land

Bieber fans wait to catch a glimpse of Justin Bieber (© Mark Metcalfe/Getty Images)
  • Justin Bieber performs on the X Factor (© Ray Mickshaw/FOX via Getty Images)
  • Justin Bieber with his mother Pattie Mallette in early 2010 (© Larry Busacca/Getty Images for Time Inc)
  • A young Justin Bieber busks in Stratford, Ontario (© Irving Shuter/Getty Images)
  • Bieber fans wait to catch a glimpse of Justin Bieber (© Mark Metcalfe/Getty Images)
  • Justin Bieber performs Never Say Never with Jaden Smith (© Kevin Mazur/WireImage)
  • Justin Bieber and BFF Ryan Butler at a Toronto Raptors game (© Central Image Agency/FilmMagic - soccer)
  • Justin Bieber performs (© Dominique Charriau/WireImage)
  • Kim Kardashian and Justin Bieber at the White House Correspondents dinner (© Larry Busacca/Getty Images Entertainment/Getty Images)
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Between the runaway success of his first two albums "My World" and "My World 2.0" and his unrivaled YouTube traction - "Baby" remains the most viewed video on YouTube - there was an endless stream of pinch yourself moments for Justin Bieber on his rise to the top. The crowds of hysterical young girls stampeding to greet him at cities around the globe has been compared to Beatlemania, but while four boys from Liverpool were responsible for sending females into a frenzy during the sixties, it was one lone Canadian cutie (or two if you count that much buzzed-about hair) responsible for spreading the phenomenon known as "Bieber Fever." When asked what he thought about it all two years ago while attending the Kids Choice Awards, Bieber replied simply: "It feels great!"