Revolving Fashion

Does anyone wonder where celebs get there style or inspiration from? Well not all celebs are born fashionistas as we assume, they have to be made. Fashion is just a revolving door taking from the old to create the new. Does anyone know what album this outfit was featured in? Hint: B-DAY lol. This is one of late 60's designer Rudi Gernreich designs worn by his muse model Peggy Moffit.