You always gotta take what Mary Kate Olsen wears with a grain of salt. Sure, she’s got her fair share of absolute haters and die-hard lovers, but sometimes the girl’s onto something. Case in point: Lennon glasses. Ever since the spring 2009 shows, we’ve seen a resurgence of round shaped glasses. Gone are the oversized bug-eye shapes (although Miss Lauren Conrad missed that memo) and in are the vintage and round. Well, we took a hint from Proenza and Ralph and have unearthed some original vintage styles that inspired the look!