Activity for Angela

I have searched high and low for a dress that has the PERFECT combination of lace and chiffon. I will be having a very small and intimate ceremony in Yosemite, so I want a flowy, light dress. I found the dress you see pictured. I fell in love with...

I found the pictures of a wedding below and realized that look is exactly what I'm going for! Does anyone have any ideas of what kind of fabric that is or what I could use to look like that?