Royal wedding guests: styles of hats

The daughters of Earl Spencer sit in the pews ahead of Britain's Prince William to and Kate Middleton, at Westminster Abbey in central London April 29, 2011. [Photo/Agencies]

Britain's Zara Phillips and her fiance Mike Tindall leave the wedding reception for Prince William and his wife Catherine, Duchess of Cambridge, at the Buckingham Palace in London April 29, 2011. Prince William married his fiancee, Kate Middleton, in Westminster Abbey on Friday. [Photo/Agencies]