In shark park

Rihanna is leaving no stone unturned to impress with her Hollywood debut.

Rihanna is leaving no stone unturned to impress with her Hollywood debut. The popstar recently shot in shark infested waters for the film

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Battleship

. The 23-year-old singer filmed in the waters off the coast of Hawaii, where sharks are regularly spotted, for the Peter Berg film, reported Daily Star online. She was surrounded by divers who were on standby with harpoons, during the shoot.