The Divergent actress, who welcomed son Bear with husband Ned Rocknroll on Dec. 7, attended the film's premiere on Tuesday in Los Angeles.
"So much attention is drawn to this thing of you know, post-baby body and how people did it, and I kind of think it's awful that so much focus is put on that," the actress told E! News. "You know, we're not supposed to drop all this weight. You spend nine months expanding your body for this baby to grow in and that doesn't disappear overnight."