I have a Grand Galloping Gala Twilight Sparkle cosplay. Hopefully I will be able to fix some minor problems with it (broken zipper, re-sew the trim on the bottom) before Megacon.
Franziska von Karma (Ace Attorney series- older and younger versions)
Lyn (Fire Emblem/Super Smash Bros. Brawl)
Raine Sage (Tales of Symphonia)
Grell Sutcliff (Kuroshitsuji, butler outfit)
Rose Bride Utena (Revolutionary Girl Utena, need new wig)
Twilight Sparkle's Gala Dress (My Little Pony: FiM)