Meghan MarkleandPrince Harryreturned to the Audi Polo Challenge on what would have beenPrincess Diana’s 57th birthday.

The Duke and Duchess of Sussex arrived at the annual charity event on Sunday together.

Meghan, 36, opted for a casual white button-down shirt and a pair of form-fitting black capri pants, which she accessorized with a pair of black flats, sunglasses and what appears to bethe same Madewell x Biltmore Panama hatthat she wore to the event on Saturday.

Meanwhile, Harry was seen arriving in a white polo shirt with stripes on the side, which he paired with white pants and boots.

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Meghan also attended the event on Saturday, as she cheered on Harry and his brotherPrince Williamwhile the royal brothers took to the field at the Coworth Park Polo Club. William was not seen arriving at the event on Sunday.

The Audi Polo Challenge likely holds a special place in Meghan and Harry’s hearts: Their appearance at the game last year was the first time the coupleattended a public event together, and they marked the milestone with a kiss.

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In a sweet nod to Diana, Meghan and Harry found many ways to honor her legacy during theirMay wedding.

During the ceremony, Meghan’s wedding bouquet, which featured flowers Harrypicked himselffrom their private garden at Kensington Palace, included Diana’s favorite flowers: Forget-Me-Nots.

The Duke and Duchess also included another one of Diana’s favorite flowers — white garden roses — in aunique floral display in St. George’s Chapel.

RELATED VIDEO: HowPrince HarryandMeghan MarkleSubtly Honored Princess Diana in Their Wedding Photos

Later on the special day, Meghan was seenwearing Diana’s aquamarine ringon her right hand while she and her husband were seen leaving for their wedding reception.

Dianafamously worethe emerald cut Aquamarine stunner to an auction of her own clothes at Christie’s in 1997.

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In one sweet last nod to Harry’s later mother, the couple included a special detail in one of theirwedding photos!

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source: people.com