It's only Cannes day two, and the fashion stakes are already set high, thanks to Blake Lively and Cate Blanchett! Calvin Klein threw their annual Women in Film party, and A-listers like Naomi Watts, Lupita Nyong'o, and Rooney Mara were in attendance dressed in their Calvin Klein best — take a look!

On Allison: Banana Republic top, J.Crew blazer