Rihanna promoting her new movie 'Battleship'

Actress Brooklyn Decker poses for a photograph at a media viewing to promote the film 'Battleship', at a hotel in central London. (REUTERS)

Singer Rihanna (L) poses with Taylor Kitsch (C) and Brooklyn Decker for a photograph during a media viewing to promote the film 'Battleship', at a hotel in central London. (REUTERS)

Singer Rihanna (L) and model Brooklyn Decker pose for a photograph at a photocall to promote the film 'Battleship', in a hotel in central London. (REUTERS)

Model Brooklyn Decker poses for a photograph at a photocall to promote the film 'Battleship', in a hotel in central London. (REUTERS)

Singer Rihanna poses for a photograph at a photocall to promote the film 'Battleship', in a hotel in central London. (REUTERS)

Singer Rihanna poses for a photograph at a photocall to promote the film 'Battleship', on the roof of a hotel in central London. (REUTERS)

Singer Rihanna poses for a photograph at a photocall to promote the film 'Battleship', on the roof of a hotel in central London. (REUTERS)

Singer Rihanna poses for a photograph at a media viewing to promote the film 'Battleship', at a hotel in central London. (REUTERS)