When it comes tomastering daily royal life,Meghan Markleis learning from the best.

The royal family’s newest family member has a supportive team behind her, including sister-in-law,Kate Middleton. And on Saturday, Meghan got to see Kate in action when theyattended their first solo outing togetherat Wimbledon.

“She very much let Kate take the lead,” veteran royal photographer Mark Stewart tells PEOPLE in this week’s cover story.

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Before the match, they met with former female tennis champions and chatted with ball girls and boys. Meghan remained just a few paces behind Kate as they made their way to the royal box to take their seats.

For more onMeghan Markle’s life as a duchess, check out this week’s issue of PEOPLE, on newsstands Friday.

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The afternoon outing marked the first time the two women have attended an event without their husbands,Prince WilliamandPrince Harry. And it’s clear that their friendship is blossoming. Throughout the game, Kate leaned in to chat with her new sister-in-law and the two women were seen sharing hearty laughs.

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“There was no rivalry,” says Stewart. “It shows how well Meghan has adapted as she is aware that Kate will be Queen one day and her position is different.”

source: people.com