PHOTOS and VIDEO of Rihanna on set for new movie

The former US Navy officer who trained Rihanna ahead of her Battleship appearance has spoken about what it was like to work with the star. Jackie Carrizosa, who spent a month teaching RiRi how to hold guns and talk like a Navy officer in order to convincingly play her character, has said that the singer was even tougher than her stunt double. The 22-year-old was drafted in to help out on set after director Peter Berg spotted her playing football with the US Navy.

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