American Authors – Best Day Of My Life Loading advertisement... Up next Jowell y Randy – El Funeral de la Canoa Cancel I Like ThisUnlike Like Share Autoplay Next Video Theater American Authors – Best Day Of My Life 11 years ago 4 months ago271,541,9032,495,425 Watch the official music video for American Authors – Best Day Of My Life. Post Views: 271,541,903 Related Music Videos OneRepublic – Counting Stars 11 years ago 4 months ago John Legend – All Of Me 11 years ago 4 months ago Katy Perry – Roar 11 years ago 4 months ago Martin Garrix – Animals 11 years ago 4 months ago Magic! – Rude 11 years ago 4 months ago Avicii – Wake Me Up 11 years ago 4 months ago