the guessing game is over. the duke and duchess of cambridge named their son prince george louis alexander of cambridge. it pays respect but with a modern twist. we have much more on the very important question, erin, what is his name going to be we asked and we finally now know. >> reporter: that's right, kate. they named him pretty quickly by royal standards. charles and diana took a week to announce prince william's name. after much anticipating the name debate has ended. introducing his royal highness, prince george alexander louis of cambridge. the name is already a hit on the streets of london. >> yes. good old-fashioned british name. >> reporter: and a tribute to queen elizabeth who met her great grandson for the first time wednesday at kensington