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Alexia Fernandez
June 07, 2017 07:30 PM

Amal Clooney‘s sister Tala Alamuddin is welcoming the twin joys in her own way!

The entrepreneur took to Instagram to commemorate the births of her niece and nephew, Ella and Alexander, on Wednesday. She posted a sweet photograph quoting the Indigo Girls, adding, “Doubling down #poweroftwo #emPOWERed #rockstars #TOTALLYtwinning #gotheextra2miles #indigogirls #80sladiesrock #wisewordswednesdays #TALAgram #TOTALLYdoubled.”

Alamuddin, who has her own twins along with a daughter named Mia, must have some tips to share with new mom Amal about raising doubles.

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The revered humanitarian lawyer and her husband, actor George Clooney, welcomed their son and daughter on Tuesday.

BERTRAND GUAY/AFP/Getty

“This morning Amal and George welcomed Ella and Alexander Clooney into their lives. Ella, Alexander and Amal are all healthy, happy and doing fine. George is sedated and should recover in a few days,” the new parents of two said in a statement.

A source close to the couple’s family tells PEOPLE, “This is very good news. We’re very, very happy. George is going to be a great father of twins.”

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Amal’s boss, Geoffrey Robertson QC of Doughty Street Chambers, also tells PEOPLE he is elated for the couple: “All I can say is that it’s a great co-production.”

Sources confirmed in February that the Oscar-winning actor-director and the international human-rights lawyer were expecting. George, 56, Amal, 39, and their families are “all very happy,” a source said at the time.

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