"I invited my mum over and put the test in a box... thinking it would be really cute. I give it to my mum and she opens it up and we're standing there, thinking we're gonna get the reaction. She looked at it and she didn't know what that (pregnancy test stick) was. She's like, 'Chrissy, what is this? Is this a pen? I'm not getting it honey.'" Actress Christina Applegate's attempts to surprise her mother with the news of her pregnancy backfired. The star gave birth to daughter Sadie Grace in January (11).