Royals 'Diana's Spirit Lives On' in Princess Charlotte, Her Best Friend Reveals Princess Diana's presence is felt with the birth of her granddaughter By Erin Hill Erin Hill Twitter Senior News Editor, PEOPLE People Editorial Guidelines Published on May 4, 2015 12:30 PM Share Tweet Pin Email Trending Videos Photo: Rex Shutterstock; Getty Prince William and Princess Kate have managed to honor three important family members with the birth of their baby girl, Princess Charlotte Elizabeth Diana. The name is a nod to grandfather Prince Charles, great-grandmother Queen Elizabeth II and Will’s late mother Princess Diana, who died on August 31, 1997. Diana’s presence was felt on Saturday as her son welcomed his second child with wife Kate. When the couple introduced their baby girl to the world on the steps of St. Mary’s Hospital in London, Kate’s stunning blue sapphire engagement ring – the same engagement ring Diana once wore – was proudly on display. The 18-carat sapphire and diamond ring stood out beautifully against the white knitted blanket that was draped over the sleeping princess. Prince Harry Bumped One Spot in Royal Line of Succession Rosa Monckton, a close friend and confidante to the late Princess of Wales, expressed her joy over the baby’s name on Twitter. Diana’s brother, Charles Spencer, also took to social media after the name was revealed. William’s uncle chose to name his fifth daughter after his late sister as well. Monckton, who is fairly outspoken about Diana, who served as godmother to her daughter Domenica until her death in 1997, Tweeted on Saturday that Diana “would have loved a granddaughter.” She also told PEOPLE in 2013 that she believed Di, who “adored children,” would have simple parenting advice to her son (who’s proved to be a doting father):”To forget that the world is watching, and to make the most of every single day that they have together.”