Cassie is doing what she does best—look pretty. The R&B singer/model stars as the leading lady in Kanye West’s big-budget video for “Stronger,” the first single off Graduation (August 21). The Hype Williams directed video was originally shot for nine days in Japan. Cassie was called out on two days’ notice and a genuine Japanese motorcycle gang was used in the video. Click here to read more and see more photos.