Jennifer Lopez has done it again! No, it's not her scintillating performance that we are talking about. Rather it is her little nip slip at the 2012 Oscars that has set the world on fire. J.Lo wore a low cut white Zuhair Murad gown and flaunted her dcolletage for the 2012 Oscars ceremony Sunday night during the Oscars and exposed a little too much while giving away award for the best costume designer with Cameron Diaz.