The Royal Family is celebrating Britain’s own Emma Raducanu after she clinched the U.S. Open title on Saturday.

Kate Middleton was the first royal to congratulate Raducanu, who, at only 18, has just won her first Grand Slam Title. Raducanu was up against Canadian Leylah Fernandez in the match.

Huge congratulations @EmmaRaducanu on your stunning performances and historic Grand Slam victory!” Kate tweeted from the official @KensingtonRoyal Twitter. “Incredible –we are all so proud of you.”

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The Duchess added, “@LeylahFernandez well done on your amazing achievements at this year’s #USOpen, it’s been a pleasure to watch.” She signed the tweet with “C” to indicate that the message came personally from Kate (she has been officially known as Catherine since she married Prince William and became the Duchess of Cambridge). 

Middleton had also tweeted at Raducanu yesterday offering her personal support ahead of today’s Final.

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The Queen offered her own hearty congratulations to Raducanu on Saturday, releasing a full statement. “I send my congratulations to you on your success in winning the United States Open Tennis Championships,” the statement began. “It is a remarkable achievement at such a young age, and is testament to your hard work and dedication.”

Her Majesty added, “I have no doubt your outstanding performance, and that of your opponent Leylah Fernandez, will inspire the next generation of tennis players. I send my warmest good wishes to you and your many supporters.”

Responding to the Queen’s statement during an interview with the BBC, Raducanu said, “It meant everything to get a message from Her Majesty. She’s such a great inspiration and role model for the whole country so to have a note from her.”

She continued, “I was extremely honoured and very very grateful that she took notice of my tennis. I can’t believe it. I’m maybe going to frame that letter or something.”

Prince Charles and Camilla, the Duchess of Cornwall, chimed in as well.

“[W]hat a fantastic achievement!” the couple tweeted from their @ClarenceHouse account. “We are all so proud.” Like the other royals, Charles and Camilla also congratulated Fernandez on her showing. “An outstanding match between two inspiring young women – we can’t wait to see where you go next.” 

The timing of Raducanu’s win is particularly felicitous given that she appears on the cover of October’s issue of British Vogue. In an interview with the fashion bible, Raducanu explained what tennis has given her in her life. “I was a very shy little girl who didn’t talk much at all,” she said. “And through playing sport, and having to be bold on the court and fearless and fight, it’s given me inner strength. If you have that, then you can really achieve whatever you want.”

See photos of her shoot for British Vogue, below.

Emma Raducanu British Vogue
Scott Trindle for British Vogue — Scott Trindle for British Vogue
Emma Raducanu British Vogue
Scott Trindle for British Vogue — Scott Trindle for British Vogue
Emma Raducanu British Vogue
Scott Trindle for British Vogue — Scott Trindle for British Vogue