Rihanna is making her acting debut in the new movie Battleship alongside Brooklyn Decker and Alexander Skarsgard. The singer turned actress has been busy traveling the globe promoting the movie and has sported some killer outfits while doing so. Over in Japan, Rihanna tried out this season's comfiest trend — pajama dressing — choosing a head-to-toe printed jacket and pant combo by Emilio Pucci. To see the rest of her red-carpet premiere looks, watch today's Fab Flash! On Allison McNamara: Topshop blouse, Topshop jacket.