Goth to preppy:
Take your dark colored sneakers and put super glue all over them and sprinkle glitter all over them. Dark top, take hot colored beads and wear them with it. Dark jeans can be flared with ribbon belts.
Preppy to goth:
Take white jeans and rip them and draw on them with dark colored marker. Pink sweater, cut it to make arm warmers and wrap them with dark markers. Light colored shoes, take super glue and put them on the shoe and them but dark colored rinestones on them.
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