The best way to express what this actually is, I think, is to turn to the keywords used by our photo service in an attempt to explicate what we are looking at. Ahem:
GREEN PASTEL LIGHT PINK EMBELLISHED BLUE DENIM ORANGE MAROON PURPLE PRINT PATTERN PATTERNED CUT OUT AWAY CUTAWAY CUTOUT COLD SHOULDER SLEEVE SLEEVED SLEEVES BELTED BELT PATCH-WORK MINI-DRESS
That about covers it?