Here are my two favorites:
You just put together four of my favorite things: Justin Timberlake, dancing, Michael Jackson, and Jimmy Fallon. Confession, I use to dance like MJ for my parents and their friends when I was growing up in my Michael Jackson Fan Club jacket and a silver glove. #NotSorry
This gif is from my favorite episode of Late Night with Jimmy that doesn't include JT. Instead, it has my other man crush JGL and Stephen Merchant as they have a lip-synch off. I still have this episode on my DVR and watch it once every couple of weeks. Just as an FYI, this is Jimmy singing A-Ha's "Take On Me."