Michelle and Meghan have finally met.

Meghan MarkleandMichelle Obamamet for the first time privately on Monday evening, PEOPLE confirms, after the royal mom-to-be attended the London stop of the former First Lady’s book tour – in support of her new memoir,Becoming –at the Southbank Centre.

“They spoke at length about the importance of supporting and empowering women across all cultures and communities,” a source told theEvening Standard.“They also talked about shared experiences of pregnancy and raising children, plus shared causes including girls’ education.”

Mrs. Obama has a friendly history with the British royal family.Prince William,Kate MiddletonandPrince Harryhosted PresidentBarack Obamaand his wife for a private dinner in 2016, with Harry warmly greeting the First Lady with a double kiss.

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Memorably,Prince Georgestayed up late to greet the commander-in-chiefclad in a bathrobe, matching gingham blue pajamas and slippers before taking a ride a rocking horse – a gift from the Obamas when he was born.

“The three of them have built up a relationship with the President and First Lady over the years,” added the source.

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Harry also hosted Michelle and daughters Malia and Sasha – along with grandma Marian Robinson – fortea at Kensington Palaceback in June 2015. In October 2015, the Obamas played host to a visitingPrince Harry– where the chemistry between Michelle and the royal wason adorable display.

Kensington Palace/Instagram

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Christopher Dilts/The Obama Foundation

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TheFirst Lady-turned-author, 54, recently offered theDuchess of Sussex, 37, some pointers in the new issue ofGood Housekeeping— from one woman who held a uniquely high-profile job to another.

“Like me,Meghan probably never dreamt that she’d have a life like this, and the pressure you feel — from yourself and from others — can sometimes feel like a lot,” theBecomingauthor said.

“So my biggest piece of advice would be to take some time and don’t be in a hurry to do anything,” Mrs. Obama continued.

She also discussed Meghan’s power to make a difference.

“What I’d say is that there’s so much opportunity to do good with a platform like that — and I think Meghan can [maximize] her impact for others, as well her own happiness, if she’s doing something that resonates with her personally,” Mrs. Obama said.

source: people.com