More to explore:
rainbow dash costume idea
Rainbow Dash costume - Stella has already asked for a Twilight Sparkle costume. this should help!
Just made that way...: My Little Pony Party Inspiration. I know my niece would love this!
DIY Rainbow Dash halloween costume for H
My Little Pony birthday party! Super cute idea...but I think it might be too hot to make a twilight sparkle outfit!