Among the most famous costumes in cinematic history, Marilyn Monroe's white dress in "The Seven Year Itch" stands on its own. The iconic white frock, with a scintillatingly cinched waist ...

The star's iconic "Happy Birthday, Mr. President" dress wasn't her only outfit to cause a stir Erin Hill is the Senior Editor, Royals at PEOPLE. She has reported on Royals for the brand since 2015.