These portraits are amazing l read twitter & someone pointed out how Katniss' wedding dress, the top piece looks like the shape of a mockingjay. who knows but a good guess
Here's an article about Katniss' dress design & who designed peeta's/effie's. full article link below
Quote:
She also pointed out the*bodice, a Swarovski-crystal-clad “organza corset under a metal cage." The metal pieces rising up are meant to signify fire and flames, while layers of laser-cut feathers at the waist and shoulder tie in the film's "Mockingjay" concept.
The skirt also has numerous layers of organza and chiffon ruffles giving it grandness but still making it seem airy and fluid for movement. As Summerville explains, "This is very important for the twirling/ spinning Katniss does onstage, per Caesar Flickerman's request."