"I've never seen anyone so happy," an onlooker tells PEOPLE of the newly engaged couple
Princess Charlotte Won't Be the Last Baby for Princess Kate and Prince William, Says Royal Cousin
"I suspect they won't stop" with two, Prince Charles's cousin India Hicks tells PEOPLE
Princess Kate's mom and sister were the first to visit the family at Kensington Palace
Britain's Biggest Royal Fan Sympathizes with Princess Kate: 'Poor Girl Must Be Desperate to Get It Over With'
Margaret Taylor, 71, has spent the past 10 days outside St. Mary's Hospital in London
Two top British betting firms report a new surge in Charlotte as the royal baby's name
Visitors gather to take photos of the royal baby's upcoming destination