Royals Royal Blue! See Kate Middleton, Queen Elizabeth and More Rock Royal Ascot's Trendiest Color By Stephanie Petit Stephanie Petit Stephanie Petit is a Royals Writer and Reporter at PEOPLE. People Editorial Guidelines Published on June 18, 2019 11:02 AM Share Tweet Pin Email Trending Videos 01 of 14 Queen Elizabeth at Royal Ascot in 2019. PA Images/Sipa Blue was the color of choice for the royal women at the opening day of the Royal Ascot! Queen Elizabeth led the trend in a light blue ensemble paired with her signature gloves and wide-brimmed hat by Angela Kelly. 02 of 14 PA Images/Sipa Kate Middleton stunned in a cornflower blue dress with sheer sleeves by Ellie Saab and a matching Philip Treacy hat with a flower detail for the iconic horse race event. 03 of 14 Princess Eugenie and Princess Beatrice. PA Images/Sipa Royal sisters Princess Beatrice and Princess Eugenie rode together in the fourth carriage, both wearing different shades of the on-trend hue. 04 of 14 Kate Middleton and Camilla, Duchess of Cornwall. Press Association via AP Kate and Prince William joined Prince Charles and Camilla, Duchess of Cornwall for their carriage ride during the processional onto the racecourse, which is a short distance from Windsor Castle. 05 of 14 Queen Elizabeth and Queen Maxima of the Netherlands at Royal Ascot 2019. James Veysey/Shutterstock Queen Elizabeth hosted King Willem-Alexander and Queen Maxima of the Netherlands in her lead carriage. Maxima opted for another popular color choice for the occasion: light pink with a statement headtopper 06 of 14 Press Association via AP Princess Anne wore white, while sister-in-law Sophie, Countess of Wessex chose a patterned pink ensemble with matching hat. 07 of 14 James Veysey/Shutterstock Prince Charles and Prince William looked dapper in suits and top hats. 08 of 14 Kate Middleton. Tim Rooke/Shutterstock Kate even accessorized her look with blue topaz and diamond drop earrings by Kiki McDonough. 09 of 14 Zara Tindall and Kate Middleton. James Veysey/Shutterstock Another lady in blue? The Queen's granddaughter, Zara Tindall! 10 of 14 Kate Middleton and Zara Tindall. Press Association via AP Zara paired a light blue fascinator with a floral patterned maxi dress with long sleeves. 11 of 14 Princess Beatrice and Queen Elizabeth. James Veysey/Shutterstock Lovely in lace, Princess Beatrice chats with her grandmother — who wore a nearly identical shade. 12 of 14 James Veysey/Shutterstock Eugenie and Beatrice didn't disappoint with their choices of headwear: Beatrice wore an extra wide-brimmed hat while Eugenie added a touch of yellow with a headband piece (which sneakily complemented the yellow hints in the pleats of her skirt). 13 of 14 James Veysey/Shutterstock Just three royal ladies in blue chatting it up! 14 of 14 DAVID HARTLEY/Shutterstock Prince William greeted his cousin, Zara, and her husband, former rugby star Mike Tindall, at the races.