Tennis Singles Grand Slammer, Serena Williams, shared the first photos of her daughter, Alexis, on Instagram, on Wednesday. She said that they had to spend six days in the hospital, due to several complications. She posted a lengthy Instagram story, of her pregnancy and birth of her daughter on September 1st. She did not reveal many details, except that the baby weighed a healthy, six pounds. Serena, 35, realised that she was pregnant, in January this year, after winning the Australian Open.