WTF*** Selena Gomez Breaks Up With Justin Bieber...Thanks To Rumors Of Him Having An Affair With Rihanna

I just heard according to MTO that Selena Gomez the long term girlfriend of the famous Justin Bieber have broken up because she heard that Justin is SMASHING Rihanna.

I know this is a rumor because there is no proven evidence that Justin actually had something going with Rih.

So why is was she so quick to  throw in the towel of there relationship? i wonder how this whitee"s think. You don't have concrete evidence yet, you are already acting on assumption...This i guess is one of the major reasons why their relationship don't last. don't you think so?