Prince Harry and Prince William have always been like two peas in a pod. Which is why it'll probably come as no surprise to you that Harry asked his big bro to be best man at his wedding. Awww.

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Kensington Palace tweeted the news with a series of photos of the dynamic duo together, showing just how close the pair really are.

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And, just look at this adorable shot of the two of them when they were little.

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According to the palace, William is "honoured to have been asked" and is excited to be "supporting" his younger brother on his big day.

Diehard fans of the royal family might recall that Harry served as William's best man during his wedding to Kate Middleton in 2011.

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Right, William. Time to get planning that stag do!

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