It will be impossible to be in a bad mood after watching this video.
Reason 1,450,499 that John Legend is the best dad ever: the Sesame Street shoutout.
Chrissy Teigen posted an Instagram video of the singer on set of the children's show. Luna had missed her dad's cameo becuase she was sick, so Big Bird, Elmo and the gang made sure to say hello.
You won't be able to watch the video just once.