Fifth Harmony will perform later on at the Billboard Music Awards in Las Vegas, and they have told Harmonizers to tune in to their set because it will be worth watching. 

The 'Work From Home' hitmakers explained that fans who watch and use the Shazam app during their brief set will be entered into an exciting competition: "Watch us live tonight at 8ET/5PT • @Shazam our @BBMAs performance & enter to win 2 tickets to the #727Tour."

They added that following their performance, they will be doing a special encore for Xfinity and tweeted: "After the @BBMAs catch our exclusive @XFINITY encore performance! You don't want to miss this one."

The girls, meanwhile, recently announced details of their full upcoming U.S. tour and a one-off album signing event that will take place at Westfield Shopping mall in London, England. Find out more here. On Thursday, May 26 Fifth Harmony will perform at the finale of Britain's Got Talent. 

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