Zawe Ashton Changes Into Short Party Dress After Debuting Pregnancy at 'Mr. Malcolm's List' Premiere

Zawe Ashton revealed her pregnancy while walking the red carpet at the Mr. Malcolm’s List premiere and then changed up her look for the after party!

The 37-year-old actress, who is expecting her first child with fiance Tom Hiddleston, wore a short pink dress while attending a VIP reception for the movie on Wednesday night (June 29) at L’Avenue at Saks in New York City.

Zawe was joined at the party by co-star Freida Pinto, who also changed into a second look, as well as cast members Sope Dirisu, Theo James, Pom Klementieff, Sianad Gregory and Divian Ladwa, plus writer/director Emma Holly Jones.

The new movie hits theaters on July 1.

Here’s a summary of the film: When she fails to meet an item on his list of requirements for a bride, Julia Thistlewaite (Ashton) is jilted by London’s most eligible bachelor, Mr. Malcolm (Dìrísù). Feeling humiliated and determined to exact revenge, she convinces her friend Selina Dalton (Pinto) to play the role of his ideal match. Soon, Mr. Malcolm wonders whether he’s found the perfect woman…or the perfect hoax.

Click through the gallery for 30+ photos from the after party…