Like pleated necklines:

via: http://shoesandpie.com/2009/06/18/vintage-sewing-part-five/
And fabric flowers (in clusters, but not at the neckline):
via: http://katiedid.squarespace.com/katie-did-journal/2009/5/1/tutorial-flower-collar.html
And pretty skirts:

via: http://www.theflashdance.com/index.cfm