their second child, a baby girl. she's lilibet diana mountbatten- windsor. cbs' elizabeth palmer has more. >> reporter: so far, the only glimpse the royals have of this baby was back in march when she was a very visible bump during meghan's explosive interview with oprah winfrey. her parents, the duke and duchess of sussex, a.k.a. harry and meghan, now live in california. after an acrimonious rift with the royal family that saw them cut most ties to buckingham palace. but the baby's name, lilibet diana, pays direct tribute to two towering royal figures. queen elizabeth herself, the baby's 95-year-old great grandmother. lilibet was her family nickname. and prince harry's late mother, diana, princess of wales. harry and meghan announced their new baby, seven pounds 11 ounces, was born on friday in santa barbara. a little sister for two-year-old