They wore those tiara's in your prefered order three years ago for Victoria and Daniel's wedding so i guess they wanted to change things up a bit.
--Previous Message-- : I thought both of the Norwegian Princesses : looked lovely but I so wished they had : swapped tiaras. The amethysts would have : looked beautiful with Martha-Louise's : lavender gown and it would have been a treat : for everyone to see M-M in Maud's Pearl and : Diamond Tiara. :