It's a little hard to tell, but the dress in the middle is entirely lace.
All three pretty much just need a little length alteration. In fact, I've already finished refashioning the first one!
I took the excess fabric and made a bow. Simple as that.
Shirt: H&M ($8)
Skirt: thrifted DIY ($3.50)
Shoes: thrifted ($2.50)
Necklace: DIY