Chrissy Teigen had no idea she was pregnant when she underwent breast implant removal surgery in June because her first test came back false negative.The Bring the Funny star and her husband John Legend announced they were expecting their third child on Thursday, in the video for his new single Wild.After a Twitter user asked if she was pregnant during her breast implant removal surgery earlier this summer, the Cravings cookbook author replied, “it’s quite a story.”“I did the routine pregnancy