Red dress

I'm working on making a red dress for the "Go Red Campaign" and I'm a bit stuck for inspiration. I have 11 of he required 25 designs done. I'm trying to incorporate a heart somewhere. Here are my current ispiration images:
All from searching vintage cocktail dresses on Etsy. Most are from Timeless Vixen Vintage, (AMAZING!) but I find them wayyy out of my price range.