Royal Ascot Ladies Day: Queen Camilla and King Charles joined by Lady Chatto, Zara and Sophie - best photos

The King looked smart in a grey morning suit with a blue waistcoat on Ladies Day while the Queen chose a white pleated dress with a large emerald brooch. 

Lady Sarah Chatto and Daniel Chatto shared a carriage with the Princess Royal and Vice Admiral Sir Tim Laurence. 

For her third appearance at Royal Ascot, Princess Anne opted for a light blue embroidered ensemble with a wide-brimmed floral hat. 

Her cousin, Lady Sarah Chatto, looked elegant in a cobalt blue dress with an oversized hat. 

The Duchess of Edinburgh is a fan of the shirt dress and she didn't disappoint for her second appearance at Royal Ascot. 

Prince Edward and Sophie celebrated their Silver Wedding anniversary at the races on Wednesday, with the Duchess opting for a bridal-esque dress with floral applique by Suzannah London. 

Mike and Zara Tindall made their third appearance at Royal Ascot on Ladies Day. 

Zara looked beautiful in a puff-sleeved frock by Rebecca Vallance with a boater-style hat by Sarah Cant. 

A full-length look at Zara's outfit. The powder blue dress included a belt which cinched her in at the waist. 

The equestrian teamed her dress with metallic shoes from Dune and a Tusting clutch bag.

A full-length look at Sophie's Ladies Day look, which she teamed with a bold red clutch bag. 

Zara sported pearl drop earrings from Laurence Costa and kept her cool in MONC's Belleville sunglasses. 

King Charles was captured greeting his stepson, Tom Parker Bowles, with a kiss on both cheeks as he arrived in the royal box.

Camilla shares son Tom and daughter Laura Lopes with her ex-husband, Andrew Parker Bowles. 

Things got very tense as the King and Queen cheered on one of their horses Gilded Water in the King George V Stakes. 

The Queen was very animated during the nail-biting race, but sadly no victory for Their Majesties on this occasion. 

A glamorous Camilla and Sophie chatted and giggled together in the royal box. 

The Queen stunned in a white silk crepe dress by Dior and a matching hat by Philip Treacy. 

She accessorised with the late Queen Elizabeth II's jade and diamond brooch 

We'd love to know what Edward and Sophie were laughing about with Champion Jockey Frankie Dettori.

Zara often tops the best dressed lists and she has not disappointed with her race day attire this week. 

The Tindalls will celebrate their 13th wedding anniversary next month.