The Duke and Duchess of Cambridge have named their son George Alexander Louis. He will be more formally known as His Royal Highness Prince George of Cambridge.
Watch the following clip from BBC News to find out why they chose those three names.
Who was His Royal Highness named after?
Now watch another clip from BBC News in which people give their views about the royal baby's name.
What do you think about it? Do you like it? Would you have chosen any other names?
You say yes, I say no
You say stop and I say go go go, oh no
You say goodbye and I say hello Hello hello
I don't know why you say goodbye, I say hello
Hello hello
I don't know why you say goodbye, I say hello
I say high, you say low
You say why and I say I don't know, oh no
You say goodbye and I say hello (Hello goodbye hello goodbye) Hello hello
(Hello goodbye) I don't know why you say goodbye, I say hello
(Hello goodbye hello goodbye) Hello hello
(Hello goodbye) I don't know why you say goodbye
(Hello goodbye) I say hello/goodbye
Why why why why why why do you say goodbye goodbye, oh no?
You say goodbye and I say hello
Hello hello
I don't know why you say goodbye, I say hello
Hello hello
I don't know why you say goodbye, I say hello
You say yes (I say yes) I say no (But I may mean no)
You say stop (I can stay) and I say go go go (Till it's time to go), oh
Oh no
You say goodbye and I say hello
Hello hello
I don't know why you say goodbye, I say hello
Hello hello
I don't know why you say goodbye, I say hello
Hello hello
I don't know why you say goodbye, I say hello hello
Hela heba helloa
Hela heba helloa, cha cha cha
Hela heba helloa, wooo
Hela heba helloa, hela
Hela heba helloa, cha cha cha
Hela heba helloa, wooo
Hela heba helloa, cha cah cah [fade out]