Duchess Meghan is elegant in an emerald green Emilia Wickstead dress and matching hat at Commonwealth Day service

By Heather Cichowski

What a style moment! Duchess Meghan was a vision in head-to-toe green at Commonwealth Day service at Westminster Abbey in London on March 9.

It was an important day for her, as it was the final joint outing she will have with Prince Harry as a senior member of the Royal Family. The Duke and Duchess of Sussex step down from their roles on March 31.

Meghan caught everyone's eyes in a refined, long-sleeved dress with asymmetrical draped neckline by Emilia Wickstead. The head-turning frock flowed down from the neck and across one shoulder in an arresting fashion.

Lady in green! Meghan was sublime in Emilia Wickstead. Photo: © Chris Jackson/Getty Images

The British brand is known for its sophisticated styles, and this look is certainly one of them. It will likely be one of Meghan's most memorable sartorial moments.

She capped off the look with a matching green fascinator with netted veil by William Chambers. The duchess wore her dark hair in a sleek updo with the hat pinned to the side to really highlight the dramatic netted bow detail.

Sparkling earrings and beige Aquazzura heels rounded out the green outfit. The footwear brand is one of her favourites.

Meghan positively glowed. Her cheeks were highlighted with shimmering rosy blush and she wore a complementary colour on her lips. Lashings of mascara and a hint of eyeliner drew attention to her dark eyes.

Meghan completed her look with refined accessories and a beaming smile. Photo: © Chris Jackson/Getty Images

Harry subtly matched his wife thanks to the brilliant green lining of his navy blue suit. He also wore a white shirt with a sea foam green tie.

The Sussexes joined the Queen, Prince Charles, Duchess Camilla, Prince William and Duchess Kate at the service.

MORE: Duchess Meghan wears all female designers at London school visit for International Women's Day

Meghan has had a number of head-turning style moments after arriving back in the UK to wind down her royal duties.

On March 7, Meghan and Harry captivated in matching red ensembles when they attended the Mountbatten Festival of Music at Royal Albert Hall. The duchess looked absolutely beautiful in an all-red outfit featuring a Safiyaa short-sleeved gown with trailing cape detail. The mom of one accessorized with burgundy floral earrings by Simone Rocha, a Manolo Blahnik clutch and Aquazzura heels.

Meghan complemented Harry's military dress with her red gown and accessories. Photo: © SIMON DAWSON/POOL/AFP via Getty Images

On International Women's Day (March 8), it was revealed the former Suits actress made a surprise visit to Robert Clack Upper School in Dagenham, East London two days earlier.

While there, the Duchess of Sussex spoke to students about the significance of the day and furthered its importance by wearing fashions that were all made by fashion designers. She was clad in a ME+EM bouclé blazer, simple white top and cropped black trousers.

Meghan was simply chic on March 6. Photo: © Ben Stansall-WPA Pool/Getty Images

Two-tone Jennifer Chamandi Lorenzo 85 suede pumps and a trendy cream knotted bag by Rejina Pyo finished the monochromatic outfit.

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