It feels like Josie Harris (Floyd Mayweather’s ex & baby mama) has been waiting for this for a LONG time — and it’s finally here. Fans have been watching this Nelly/Shantel Jackson/Floyd Mayweather drama unfold all day (catch up here). 50 Cent was the latest to chime in & now we have Josie — who’s currently in Vegas supporting Floyd for his May 3rd fight. She had a pretty strong message for Ms. Jackson. Check it out…