The Imitation Game beauty refrained from drinking at Sunday’s Moët British Independent Spirit Awards, according to the paper.
The talented actress “and her stylist have been putting together looks that hide her growing bump,” Star reported last month.
The Anna Karenina star, 29, told Vogue last year that she wouldn’t let being a mom keep her away from the camera.
“Would I want to be a stay-at-home mother? No,” the English beauty said. “On the other hand, you should be allowed to do that, as should men, without being sneered at.”