She kept her promise by flaunting her blossoming belly in a plunging, purple gown that perfectly highlighted her curves. She completed her show-stopping look with a side swept braid, neutral makeup and a pretty pink lip.
The baby news comes just months after Christensen married her longtime beau, which they announced with a fun wedding day picture on Instagram.
"True story. We got our rings and did the d*mn thing. #weddedbliss," she wrote.