Honey, stop whatever you are doing and clear the floor because Branch (Justin Timberlake) and Poppy (Anna Kendrick) are serving us the grand finale to end all finales with "Can't Stop the Feeling!"!

We gotta hand it to Anna Kendrick — we've never heard someone cover Journey's iconic "Don't Stop Believin'" like this before! The Another Simple Favor star's April 28 appearance on The Tonight Show ...