At this point, most interested parties have seen the horrifying images from Elizabeth Brooks's $10 million bat mitzvah, for which her body-armor-bearing father flew in Aerosmith, Tom Petty, 50 Cent, and Stevie Nicks. We've all had our fair share of retching over the extravagance of the event itself, but we'd like to focus on something else: Elizabeth's dress, pictured above. What is that thing? We don't believe Vera Wang makes gowns for underage brides, which would suggest that Miss Brooks sporting something off-the-rack from the Disney Princess Store. How gauche.