When you first heard Jay-Z and Beyoncé's duet "Crazy in Love," was your reaction "Gee, I'll bet the future king and queen of England dance to this!" No, of course not. But you may see Wills and Kate bust a move to the 2002 tune. Rumor has it that Jay-Z and Beyoncé, who are both in Europe at the moment, were asked to perform the song at the royal wedding party. Now that's a good way to score a ticket to the wedding of the year.