STOCKHOLM, SWEDEN - MAY 19: Katarina von Horn and Robert von Horn visit the wedding preparations for H.K.H. Princess Madeleine and Mr. Christopher O'Niell on May 19, 2013 in Stockholm, Sweden. (Photo by Anna Lu Lundholm/WireImage)
STOCKHOLM, SWEDEN - MAY 19: Katarina von Horn and Robert von Horn visit the wedding preparations for H.K.H. Princess Madeleine and Mr. Christopher O'Niell on May 19, 2013 in Stockholm, Sweden. (Photo by Anna Lu Lundholm/WireImage)