@groovylils if you have the zip file from polyvore - you can ask urstyle for help. i know some people did it and urstyle uploaded their sets.
you can also follow this steps, just make sure the zip file is unchanged original from polyvore:
Steps to download your work from POLYVORE and upload it to URSTYLE:
In order to download your sets sign in here: account-update.polyvore.com
Click request download and wait a while until your content is ready to be downloaded.
Open EDIT PROFILE page.
Click IMPORT YOUR OLD PROFILE button.
Upload the ZIP file, which you have just downloaded from POLYVORE.
Wait for file to be uploaded (it may take up some time, depends on how big is your file)
Give us some time (there is a huge number of users in queue, it may takie from 1 to 24 hours) and ENJOY!