Karla Souza welcomed her and husband Marshall Trenkmann’s second child less than a month after her pregnancy announcement.“There’s so much heaviness and injustice in the world and as a mother it makes me wonder what world my children are growing up into,” Souza, 34, wrote via Instagram on Thursday, June 18. “Looking into Luka’s eyes and watching Gianna as a big sister brings me so much hope and commitment to being a part of the change.