Leave it to the great Justin Timberlake to be part of possibly the funniest SNL skit in the past 20 years. He and Andy Samberg teamed up to perform a Christmas love song:

Click here to watch.

However, it got me to thinking about this skit I had told some friends about, one in which Christina Aguilera played Samantha from "Sex In The City." I kept yodeling about how funny this was and how GOOD Christina was in reprising Kim Cattrall's role ...

Click here for this tranny surprise ...

SNL might be two-thirds boring, but when they're on ... holy crap, they're on. Christina Aguilera was stunningly good in this ...