“I’m just so happy for you!!” she captioned a stunning black and white photo of Harry and Meghan walking out of St. George’s Hall with Archie.
The congratulations isn't a surprise given how close Meghan and Eugenie are.
In Andrew Morton’s newest biography, Meghan: A Hollywood Princess, the two women bonded “over a shared love of art, dogs and late-night macaroni suppers”.
Meanwhile, bookies in the UK seem to think Archie will get a cousin after they slashed the odds of Eugenie announcing a pregnancy to 1/4 at the end of April.
Alex Apati of Ladbrokes said: “It looks like the royals are getting broody.