They've scored starring roles in the Disney Channel flick Camp Rock, hit the road for a sold-out concert tour and released a chart-topping album--A Little Bit Longer.

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Next up: a starring role opposite the chart-topping Jonas Brothers in Camp Rock, a High School Musical-esque Disney Channel movie premiering in June.

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Last night, the whole world watched the scene at Camp Esperanza as the first miner was lifted out from under more than 2, 000 feet of rock and then embraced by his young son and family.

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In 2008, Camp Rock was written as a vehicle for the Jonas Brothers: Nick, Joe and Kevin, who were at the height of their musical careers (think Justin Bieber craziness), but it was Lovato, then 16 and a newcomer to the Disney talent stable, who was the breakout star.

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The bubbly 16-year-old burst onto the scene back in June, when she appeared opposite Joe Jonas in the Disney Channel's heavily hyped and much-watched flick Camp Rock.

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The miners' camp, 70km (45 miles) east of Lhasa, was destroyed by thousands of tonnes of rock.

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