Lately, Rihanna has been competing with Pop singers on Twitter like Justin Bieber & Lady Gaga. @Rihanna announced on Twitter that she would no long be doing any "corny label tweets". We believe Chris Brown may have sent a subliminal tweet toward ex Girl Rhi Rhi. Literally, within moments of Rihanna's tweet, @ChrisBrown wrote "twitter just got whack". It looks like Chris Brown tried to delete the tweet, but many of his followers were able to Retweet what he said. Check the Pics above to see for yourself!