Too many threads.
First: Ciara said on E, "My last run-in with her [Rihanna] wasnt the nicest."
Then: Rihanna responded on Twitter:
@Rihanna:
My bad ci, did I 4get to tip u? #howrudeofme
Then: Ciara:
@Ciara:
Trust me Rhianna u dont want to see me on or off the stage
Then: Rihanna:
@Rihanna:
U gangsta huh? Haaa
@Rihanna:
Good luck with bookin that stage u speak of
www.twitter.com/rihanna
www.twitter.com/ciara
Katy Perry joined in saying:
@KatyPerry:
Men can't fight woman! Have you not learned from Chris?!
![Alexz 2](http://img.photobucket.com/albums/v232/korn0818/ATRL_Smilies_All/atrlers/alexz2_zps7d3bf068.gif)