Royal ladies at 2017 Royal Ascot Day 1

Autumn Phillips attended Royal Ascot alongside her husband, Peter Phillips - the son of Princess Anne and the eldest grandchild of Her Majesty The Queen - on June 20, 2017. 

She wore a blue and white Rumour London dress with sleeves to her elbow and the skirt just below the knee. The dress itself was white with blue embellishments all over. The dress had scalloped edges and was pleated. She wore nude shoes and carried a nude bag on the first day of Ascot. Autumn was also wearing a white Emily London hat with the Goodwick design from SS 2017 according to Royal Hats. Additionally, she wore a pair of simple diamond earrings. 

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She attended on the same day as her sister-in-law, Zara Tindall, and cousins-in-law, Prince William and the Duchess of Cambridge. Princess Anne, The Queen, Prince Philip, Prince Charles, Duchess of Cornwall, Prince Andrew, Princess Beatrice, Princess Eugenie and the Earl and Countess of Wessex were also there.

Zara wore a royal blue dress by Escada that featured a pleated skirt. She carried a navy clutch and wore navy heels. Royal Hats reported that she was wearing a white and blue Sarah Cant hat.

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Princess Beatrice wore an embellished dress by Claire Mischevani while carrying a blush colored clutch that matched her Stuart Weitzman shoes. Her hat was by Goldust Millinery. Her sister, Princess Eugenie was in a sleeveless floral dress with a matching bespoke Ethan K clutch and shoes by Reiss. Eugenie also wore a navy and pink hat by Emily London.

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The Duchess of Cambridge wore a long lace Alexander McQueen high-neck dress with a nude Loeffler Randall clutch. Additionally, she wore a pair of Gianvito Rossi suede heels. She wore a pair of pearl and diamond drop earrings on loan from The Queen (who had been given them by Bahrain as a wedding gift).

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Naturally, Her Majesty and Prince Philip were in the first carriage of the royal procession with Prince Andrew while the second carriage carried Andrew's daughters, Beatrice and Eugenie and Charles and Camilla. The third carriage had Prince Edward and Sophie and William and Kate. Autumn and Peter rode in the last carriage with Princess Diana's sister, Lady Jane Fellowes and her husband.

A moment of silence was held before the race in memory and honor of those killed and injured in the Manchester Arena and London attacks, as well as the Grenfell Tower fire. The racecourse donated "£100,000 to the British Red Cross UK Solidarity and London Fire Relief Funds and local charities" for all those affected, according to The Telegraph.