This sh*t is too funny. Rihanna has decided to join the ranks of Twitterati and take over her Twitter account. The rambunctious red head posted her first Tweet and her ex just HAD to say something about it. Check out the hilarity.
Rihanna's first Tweet:
Of course, Chris Brown, who's been Tweetin' since birth, posted this Tweet hours later:
Hopefully, his Tweet wasn't directed at her, although the emphasis he put on ...