Her former home isn't the only thing Mary-Kate Olsen allegedly has ruined -- her latest outfit is also a huge debacle.

Looking like a risen Kurt Cobain, MKO hit the streets of L.A. on Monday decked out in a 1992 frat flannel, Catherine Bach's tattered Daisy Dukes and a pair of orthopedic gladiator sandals. What? No iced coffee drink?!