King Charles and Queen Camilla have arrived for the penultimate day of Royal Ascot, as Zara Tindall looked typically stylish in polka dots while mingling with guests at the Berkshire racecourse. After Stanley Tucci's surprise appearance yesterday, the King, 77, invited Andrew LLoyd Weber to travel to the festival in an open-top carriage today, with the renowned British composer joined by his wife, Madeline Gurdon. While the King's niece, 45, did not join the carriage procession today, Zara delivered a masterclass in race day dressing with her polka-dotted dress - one day after she stole the show in a gorgeous, butter-yellow Rebecca Vallance frock. The mother-of-three accessorised her Claire Mischevani outfit with a coordinated hat from award-winning milliner Sally-Ann Provan and statement earrings by Hector Lion.Meanwhile, Queen Camilla, 78, riding alongside the monarch, looked stylish in turquoise after wearing neutral shades for most of her Ascot appearances this year. Other famous faces in attendance today include former Made in Chelsea star Millie Mackintosh, TV presenter Charlotte Hawkins, and seasoned Ascot attendee Georgia Toffolo. It comes after The Devil Wears Prada star Stanley, 65, was revealed as the unexpected star of the carriage procession. The American actor, who is a regular at royal events and dinner parties, looked just as comfortable in a landau as he travelled to the Berkshire racecourse alongside his wife, Felicity Blunt. Queen Camilla, 78, riding alongside the monarch, looked stylish in turquoise after wearing neutral shades for most of her Ascot appearances this year Camilla, 78, accessorised her look with a pair of turquoise and diamond earrings and matching brooch Zara delivered a masterclass in race day dressing with her polka-dotted dressStanley dressed for the part in his top hat and tails, as he added a bit of flair with a beaded bracelet and sunglasses. Meanwhile, Felicity opted for a ruffled floral dress from the brand LEO LIN, which she paired with a chic, wide-brimmed hat. Ladies Day also saw the return of Carole Middleton, who opted to wear the same mint green Catherine Walker dress she first wore to Prince Harry and Meghan Markle's wedding in St George's Chapel eight years ago, She wore the stylish number with a straw hat as she joined royals such as the King and Queen at the Berkshire racecourse instead of the statement fascinator she wore in 2018.Carole finished her look with a cream clutch and suede heels as she was pictured mingling with Queen Camilla, 78, and Zara. After the Princess of Wales donned yellow for her royal return to Ascot earlier this week, Zara followed suit yesterday in a chic belted yellow dress from Rebecca Vallance, featuring statement sleeves and pocket detailing.She teamed the glamorous frock with a matching Anya Hindmarch clutch bag and hat, from Sarah Cant Millinery, and added more height to her frame with a pair of metallic gold heels from Emmy London. Keeping the sun from her eyes with some stylish sunglasses, the late Queen's granddaughter, who is 22nd in the line of succession to the British throne, completed her look with dazzling drop earrings.Also in attendance was the 2nd Earl of Snowdon, who joined the Royal Family's carriage procession with his glamorous French girlfriend, Isabelle de La Bruyere.Before the races kicked off, Carole and the Queen were spotted in conversation inside the parade ring.As one of the highlights of the racing calendar, Royal Ascot is just as famous for its fashion as it is for its races - and revellers have continued to keep the fashion stakes high today. Although temperatures are set to rise to 29C, racegoers did not let the balmy temperatures interfere with putting on their best fashion foot forward, and bright, summery ensembles appeared to be the order of the day.Radiant guests turned the racecourse into a sea of colourful ensembles, while gripping equally vibrant fans and glugging water to help keep cool as they stepped out for the prestigious occasion.The event's official lookbook this year was curated by menswear specialist Daniel Fletcher, who has previously designed for the likes of Louis Vuitton, JW Anderson and Victoria Beckham.The guide outlines the dos and don'ts of dressing for the annual event, and for the first time ever, it's also determined its colour of the year - bright tomato.