5 Seconds of Summer make their American Music Awards debut and it was AWESOME! This image appears in the gallery:American Music Awards 2014: The 45 MUST-SEE Pictures Feat. One Direction, 5SOS & Taylor Swift #AMAs 10. 5 Seconds of Summer make their American Music Awards debut and it was AWESOME! (Picture: Getty) 45 images See the full gallery: American Music Awards 2014: The 45 MUST-SEE Pictures Feat. One Direction, 5SOS & Taylor Swift #AMAs