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Prince William and Kate MiddletonJOHN THYS/AFP/Getty Images

Welcome Prince Louis, the third born of Prince William and Kate Middleton. The Duke and Duchess of Cambridge have announced that they are naming their second son, Louis.

The announcement was made by the Kensington Palace. "The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles. The baby will be known as His Royal Highness Prince Louis of Cambridge," the Palace tweeted.

The couple made the announcement 4 days after the baby was born. Bookies had picked Arthur as one of the top picks for the royal baby. Alice was the bookies' favorite had the couple given birth to a girl.

As soon as the name was revealed, fans took to comments section to express their thoughts on the name.

While a few were disappointed that Arthur wasn't chosen, many took the opportunity to make One Direction reference.

However, many were confused on how to pronounce the new royal baby's name: 

So how do you pronounce Loius? 

Louis is written in different forms – Louis, Louie, Lewis, Luis or Lois. The French name means "renowned warrior" and is pronunced Loowee. Metro UK notes that, since Prince William's middle names is Louis and it is pronounced as "Loowee" so it was it is safe to say that his son's will be pronounced in the same way.