JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
Fifth Harmony gained fame on the second season of "The X Factor," and although they didn't win (they took third place), L.A. Reid signed the girls to Epic Records.
Fast forward to June 2013, and Fifth Harmony, made up of Dinah-Jane Hansen, Ally Brooke, Camila Cabello, Normani Hamilton and Lauren Jauregui, have just released their debut single.
Check out the song below and leave your thoughts in the comment section below!
Fifth Harmony called in to Saturday Night Online to chat on the night of the premiere. Check out the interview here:
Check out the video of Fifth Harmony's reaction to hearing their song on the radio for the first time:
Check out their vine video thanking fans: