This Nova outfit (technically Heroes of the Storm cosplay, since this is a skin from that game for the StarCraft character), by Kamui, doesn’t just look good as is. It also lights up like a Blizzard-themed Christmas tree, with some of the most impressive cosplay engineering work I’ve ever seen.
Here’s a shot of the full and finished costume:
Even though you can see it glowing here, it doesn’t get across just how lit up this thing gets:
Absolutely incredible work. You can see more of Kamui’s work at her Facebook page.