(150504) -- PHNOM PENH, May 5, 2015 (Xinhua) -- American pop star Demi Lovato performs in Phnom Penh, Cambodia, May 5, 2015. Demi Lovato performed at the Diamond Island in the Cambodian capital of Phnom Penh for the first time Tuesday night, drawing thousands of her fans. (Xinhua/Phearum)
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