Rihanna in Pajamas Battleship Tokyo Premiere Pictures

Rihanna, dressed in blue and gold Pucci, joined her Battleship costars Brooklyn Decker, Alexander Skarsgard, and Taylor Kitsch today at the film's world premiere in Tokyo. Rihanna debuted her darker hair color yesterday at a press conference aboard the USS George Washington in Yokosuka. The stars were whisked back to Japan's capital via helicopter following the press event. Rihanna and Brooklyn tweeted photos and shared their bird's eye view over the city before turning in for the night. The press tour continues for the cast before heading back to the States prior to the film's May 18 opening.

This is Rihanna's first major film role, and it seems she's already eyeing another part. Rihanna's interested in playing Whitney Houston if the right opportunity should come her way. She said, "That's a huge, huge role and whoever does it has to do a good job."