Pedro Almodóvar, Isabelle Huppert, Ellie Bamber and Charlotte Casiraghi also attended the Greece-themed display in Paris.
Firth and her Green Carpet Challenge initiative will be launching the world’s first sustainable mannequins.
Ella Purnell plays a lighter-than-air orphan in Tim Burton’s newest film, “Miss Peregrine’s Home for Peculiar Children,” out this fall.
Valentino diehards Diane Kruger, Liv Tyler and Keira Knightley turned up to toast the pair.
Elle Magazine features Keira Knightley on its September cover and lays out plans for its 30th anniversary this year.