Theme

The theme of this song is too always try to make this the best day of your life and be happy. The theme goes with the title, "Best Day of My Life" very well since that is the message it is trying to send. The metaphors used in the lyrics help to emphasize the happy, upbeat theme of the song. Lyrics like "I jumped so high I touched the clouds" and "I had a dream so big and loud" are good examples of poetic devices that are used to further spread the happy vibe of this song.