Meghan Markle and Prince Harry's baby girl is named after two special women in Harry's life.

On Sunday, the couple announced the arrival of their second child, who they named Lilibet Diana. They plan to use the nickname "Lili."

Lilibet is a sweet tribute to Harry's grandmother, Queen Elizabeth. The monarch was affectionately called Lilibet as a child by her family members as a nickname. In a loving gesture to her husband of 73 years Prince Philip who died in April, the Queen placed a handwritten note on top of his coffin. The monarch signed the note from "Lilibet." Philip was thought to be the last person in the Queen's life to call her by that name.

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The Sweet Story Behind Meghan Markle and Prince Harry's Baby Girl's Name | PEOPLE
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