Carlos Pena's girlfriend!

OK,Carlos Pena,i expect you know him from big time rush is secretly dating Ariana Grande! A.K.A  Cat from Victorious! they've been secretly dating for 3 months already without anyone knowing!!! 
but theres the bad news.......Carlos's   x girlfriend (Chelsea Ricketts) is way jelous of Ariana Grande dating her ,she is as jelous as u can imagine,she's trying to be her Ariana's friend notwithstanding her longlasting crush on her  ex!