You know the weekend is getting near when your Instagram feed becomes full of black-and-white, grainy uploads from the pre-digital camera era. No one can resist a good throwback to our cuter, if not dorkier, years - even celebrities and fashion mavericks. If you think your Throwback Thursday of the week was cute, wait until you see some our favorite Guest of a Guest regulars. Click through our slideshow to take a peek into their not-so-glamorous pasts.
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