Rihanna and Chris Brown join Jay-Z as nominees for the MTV Japan Music Awards 2010 taking place next month! Each nominated for at least one award, the duo was announced as contenders for awards including Best Female Video (Rihanna, âRussian Rouletteâ) and Best R&B Video over the weekend. Chris Brown, up for Best R&B Video, for his late 2009 clip âCrawlâ will face off with Alicia Keys (âDoesnât Mean Anythingâ), Jasmine (âSad To Sayâ), Juju with JayâEd (âAshita ga Kuru Naraâ), and Miliyah Kato (âAitaiâ). Kelly Rowland is also up for an award, joining David Guetta for Best Dance Video (âWhen Love Takes Overâ). The Black Eyed Peas, Flo Rida, Sean Paul and Lady Gaga are also nominated. The 2010 edition of the MTV Video Music Awards Japan will take place May 30th.