Photos: Kate, William present princess
Newborn is already home at Kensington Palace, as Britain awaits her name.
The traditional announcement at Buckingham Palace
The birth news was announced on social media sites like Twitter as well as by a traditional bulletin on a gilded easel in front of Buckingham Palace — a practice that dates to 1837.
Wellwisher breaks out the bubbly
A wellwisher holds champagne to celebrate the birth of the royal baby, outside the Lindo Wing, St. Mary's Hospital, London, Saturday, May 2, 2015. Kate, the Duchess of Cambridge, has given birth to a baby girl, royal officials said Saturday. Notice the Prince George "I was here first!" tee-shirt.

