I know I'm kinda late to the party here, and you already have lots of great ideas here, but I just wanted to add that the fabrics and quilting designs you choose can make almost any pattern girly and feminine. Soft pastel colors really say dreamy.
Even this simple square in a square looks dreamy:
https://threadtales.wordpress.com/20...ine-today-137/
you can also add touches of lace or a scalloped border to soften your quilt and make it more feminine.
more ideas here:
https://www.pinterest.com/pin/330240585150426040/