From Dave Lettermen's Friday Night Top Ten List:

Friday, April 29, 2011
Top Ten Signs There's Already Trouble In The William And Kate Marriage
10.Sleeping in separate castles
9.Constant arguments over which one of them is prettier
8.She prefers "Conan," he prefers "Lopez Tonight"
7.He won't stop talking about college softball
6.Servants overheard Kate yell, "Shove", "Crown", and "Up your a$$"
5.Arguing over where their kids should go to Hebrew school
4.She's started dating Charlie Sheen
3.They already have a reality show on Bravo
2.He's having trouble fitting into her into his grueling zero-hour-a-week schedule
1.Even they're sick of hearing about the royal wedding