There’s plenty to consider about Barbie, but let’s start with her feet. Perfectly arched, but not quite demi-pointe—the ideal position to fit into any pump. They’re instantly recognizable to anyone who has ever played with the iconic doll. So when the trailer for the upcoming live-action Barbie movie opened with a shot of star Margot Robbie stepping out of Barbie’s marabou stilettos, still on tiptoes, the internet exploded.