In the following three images, we have a visual chronology of the southwest anchor at LOS CERRITOS CENTER. Above, the building is shown in its original (1972-1986) Ohrbachs phase.
 

Here, we see the building in its (1987-2009) Mervyn's stint.
Photo from "TokyoMagic!" 

Lastly, we have the current (2010-to-present) Forever 21 incarnation.
Photo from "TokyoMagic!"