Kate Middleton wore the Cartier Halo Tiara for her 2011 wedding to Prince William. King George VI commissioned the 888-diamond piece in 1936 as a gift for his wife. The tiara, worth an estimated $1.3 million, hasn’t been worn again publicly since Middleton’s wedding.

The Princess of Wales has only worn a handful of different tiaras since becoming a member of the royal family – and she clearly has a favorite

A sister's dress showing off a little too much form, a grumpy bridesmaid, and a blunder from David Beckham. As beautiful as it was, William and Kate's Royal Wedding couldn't escape its share of blunders.