Marion Cotillard Joins Pregnant Lea Seydoux At 'It's Only the End of the World' France Premiere!

Marion Cotillard keeps it chic and sophisticated while attending the premiere of her latest film It’s Only the End of the World held at Mk2 Bibliotheque on Thursday (September 15) in Paris, France.

The 40-year-old actress was joined at the event by her pregnant co-star Lea Seydoux, as well as Gaspard Ulliel and director Xavier Dolan.

PHOTOS: Check out the latest pics of Marion Cotillard

That same day, Marion and her co-stars Lea, 31, and Gaspard, also 31, were spotted making their way into RTL Radio and the C à vous television show studios to promote the flick – Watch trailer here!

FYI: Marion is wearing a Dior ensemble. Lea and Xavier are both wearing Louis Vuitton.

35+ pictures inside of Marion Cotillard and her co-stars out and about promoting…