Former YBNL signee and RnB act, Temmie Ovwasa has gone on a Twitter rampage to air her grievances against YBNL boss, Olamide Adedeji.  Ovwasa, who was fondly referred to as ‘YBNL Princess’ following her signing in 2016 has come out to say some things about the label record company and they are none too pleasant.…