7 Oscar Style Surprises: Cate Blanchett's Galliano, Sienna Miller's Oscar de la Renta & More

The Oscars might be Hollywood’s biggest night of the year, but when it comes to fashion, most people play it safe. Landing best-dressed lists can earn you major contracts (like Lupita Nyong’o and Lancome), while getting panned by fashion critics can prevent you from getting your hands on the designers of your choice—so it’s not really the best night to take risks. Given the number of fashion lovers nominated in 2015, we hoped that wouldn’t be the case. Sure enough, Sienna Miller, Julianne Moore, and even Reese Witherspoon shook it up. Here’s who surprised at this year’s Academy Awards.