As the transformation overwhelmed Pinkie, she felt euphoric and lightheaded… more than usual… washing away the surprise and fear that she might have had. She closed her eyes and let herself be carried out by the changes… Her fur exploded around and covered her completely, as she grew taller and longer, her neck becoming stronger. She felt a pressure on her butt… a short, puffy tail was pushing out…
You like the panties, but I like the dress.
Of course, I like wearing panties under a dress.
But we get to see those panties ;)