Julia Louis Dreyfus, Emma Watson

Brian Ach/Getty Images, Dimitrios Kambouris/Getty Images for Diesel

Funnylady Julia Louis-Dreyfus and cute-as-a-button Emma Watson both chose to wear black-and-gold dresses to recent events.

But one of these style stars spent $2,000 more on her glam getup.

Think you know who saved some serious moola on her shiny dress and who overspent? Test your style savvy here!