Kate Middleton & William are excited for meeting Lilibet

Kate Middleton and Prince William are thrilled by the arrival of Prince Harry and Meghan Markle's second child.

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The Duke and Duchess of Cambridge congratulated the couple on social media.

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Baby Lilibet 'Lili' Diana Mountbatten-Windsor was born on June 4 in Santa Barbara, CA.

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Lili's first name honors the Queen, whose family nickname is Lilibet.

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Her middle name, Diana, is in honor of the Princess of Wales.

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The couple announced the birth officially.

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