Kate Middleton often expresses her desire for more children at royal engagements.
She has always wanted four children with Prince William, according to a report by Marie Claire.
An insider source claims that Kate has been talking about wanting another baby for a while now.
Initially, Prince William was content with having three children.
However, Kate convinced him to have a fourth child.
The couple currently has three children - Prince George, Princess Charlotte, and Prince Louis.
They are grateful and blessed to have their three children.
If a fourth child were to come along, they would welcome it with open arms.
Princess Diana, William's mother, also wanted four children.