Guests arrive at Westminster Abbey

Visitors wait outside Westminster Abbey as the royal family prepares for the ceremony Thursday. (Photo by Josanta Gray)

1,900 guests are expected to attend the matrimony of Prince William and Kate Middleton, including celebrities, royals, and dignitaries from across the globe.

Chelsy Davy, Prince Harry’s on-again, off-again girlfriend has arrived at the Abbey for the ceremony. Soccer star David Beckham and his wife, Victoria, are also in attendance.

The ceremony is set to begin at 3:00 a.m. pacific time. At 4:15 a.m. the newlyweds will embark on the Captain’s Procession of the Bride and Bridegroom, followed by the Queen’s Procession.

Both processions will head towards Buckingham Palace, according to the official wedding program. 

At 5:25 a.m., the bride and groom will appear with their families on the Balcony.