In Pictures: Wedding guests arriving at Windsor ahead of Prince Harry and Meghan Markle's big day
Britain's Prince Harry and his bride-to-be Meghan Markle will tie the knot this afternoon
Guests of the royal wedding have begun arriving at St George's Chapel ahead of the wedding of Britain's Prince Harry and US actress Meghan Markle.
Oprah, George and Amal Clooney and the Beckhams are among the high profile celebrities on the guest list for the day.
Kate Middleton's mother Carole arrived wearing a mint dress and jacket while Kate's sister Pippa is wearing a floral print mint gown.
Amal Clooney arrived wearing a canary yellow dress and hat, while Victoria Beckham has opted for a black cape style jacket, dress and high red heels.