Underage gymnast takes the costume prize

So Elvira and the Pope scooped the Shanghaiist award for best Halloween costume Friday night, but if we were handing out international prizes then this would be the one to beat:

Four year old "Peanut" is the daughter of NYC blogger MetroDad, who came up with the costume idea.

Our favourite part? The birth certificate taped to Peanut's back to prove to the IOC that she's actually 16.