... dresses in style.
because she is none other than photo finish!
the dress and glasses make it so you cant see her eyes, wings or cutie mark with a simple wig and spray paint to her tail, slip into a german accent and she is photo finish
im mean seriously where was rainbow dash that whole episode eh? well she was right in front of you!
<<edit>> added cutie mark because i forgot
Photofinish/rainbowdash (c) hasbro/lauren faust