Business Insider reports Prince Harry used the royal family's WhatsApp group to tell his cousins about the birth of his son, Archie, according to The Telegraph.

Mike Tindall, husband to the Queen's granddaughter Zara Tindall, told the publication that they were the first to hear the big news.

It's not the first time Tindall has spoken about the royal WhatsApp group, whose members include Princess Beatrice and Eugenie.

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