Kensington Palace celebrates Kate, William's family expansion: 'Welcome'

Kensington Palace celebrated as Princess Kate and Prince William shared delightful news about their family expansion day after Meghan Markle's new surpise interview.

Prince William and Kate Middleton, who are proud parents of Prince George, Princess Charlotte and Prince Louis, dropped a big news about the new addition to their family on Friday.

The couple also revealed the name of their newest family member, who is the offspring of Orla, their older cocker spaniel.

The photo of their new four-leg guest, named Otto, released by the Waleses on their official Instagram account.

The couple wrote: "Welcome to the family, Otto! 1 today."

Kate and William's fans also celebrated the news as they enthusiastically flooding the comments section, with one writing: "Aww Happy Birthday handsome boy" as the pet turned one.

Another commented: "Awww cute ! He’s in safe hands."

Otto made his public debut on the couple's 15th wedding anniversary, appearing in the family portrait. The picture shows the couple lying on grass alongside Prince George, Princess Charlotte and Prince Louis.