Unfortunately not captured below: the moment immediately after this, when Justin leaned over to Jimmy and channeled his greatest Alan, whispering, "And we're the two best friends that anybody could have. We're the two best friends that anyone could have. We're the two best friends that anyone could have. And we'll never, ever, ever, ever, ever leave each other."
Here's Jimmy Fallon & Justin Timberlake dancing in the stands to Beyonce on the arena screen pic.twitter.com/c1uGWRkEJZ— The Cauldron (@TheCauldron) September 10, 2015
Such best friends that they also did "History of Rap 6" on The Tonight Show last night: