She may not have any blue blood, but Kate Middleton's fairy-tale wedding once again ushered in a new era for the usually conservative royalty. Three decades back, a princess-y 20-something Diana walked down the aisle to her Prince Charming and she won hearts instantly. Kate brings in a fresh whiff of youth to the royal family, just like the People's Princess had. Here's how they are so alike, yet so different. Vote: The better weddingMarket Research