Prince Harry has always had an amazing sense of humor and, if we ever needed proof of that fact, we just got it in a big way, courtesy of royal author Bryan Kozlowski.
In his new book, Long Live the Queen! 13 Rules for Living from Britain's Longest Reigning Monarch, Kozlowski shares a story about one of Harry's classic royal pranks—on his grandmother, Queen Elizabeth, of all people.
According to Kozlowski, the Queen turned to her grandkids for help learning to text (as grandparents do) and Harry would then sneak off with her personal cellphone and record a new (and hilarious) outgoing voicemail message.
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