Justin Bieber's European promo tour continued over the weekend. The Canadian pop sensation performed at Alcatraz in Milan on Saturday (June 2) after a busy week filled with screaming girls in Paris. His latest single “Die In Your Arms” has topped iTunes charts and his 2012 Believe Tour has sold out. The "Boyfriend" singer's U.S. tour will kick off September 29 in Arizona before traveling to more than 45 cities, including stops in Las Vegas, Los Angeles, Brooklyn, New Orleans and more. The jaunt wraps up January 26, 2013, in Miami.

Justin Bieber hit the stage in Milan, Italy for his Believe mini concert at the Alcatraz building on Saturday, June 2, 2012.

The teen idol was surrounded by fans and the paparazzi at Charles De Gaulle airport in Paris as he headed off to Milan on Saturday, June 2, 2012.

The 18-year-old pop star was spotted with his old school mop back in its original style.

Last Friday, Justin Bieber caused a roadblock in Paris as the pop phenom gave an impromptu performance from a balcony in the French capital.

The “Boyfriend” singer took to the balcony at the Universal Records building and sang a few of his biggest hits via megaphone, accompanied by acoustic guitarist Dan Kanter.

Justin Bieber's forthcoming North American tour has sold out in only one hour. Not only did the tour tickets sell quickly, they easily broke previous records. Bieber's two nights at Madison Square Garden in NYC sold out within 30 second, which makes it one of the fastest selling tours in history. The singer will release his third studio album, Believe,on June 19. In the lead-up to the release, Justin just dropped a new single, "Die in Your Arms," last week. The song has a throwback filament glow that recalls the Jackson 5 and Motown at its most teen-friendly.
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Justin Bieber continues his world domination in Milan and Paris (June 2012)