'Sledgehammer' beauties Fifth Harmony have been confirmed to perform at this coming weekend's Billboard Music Awards in Las Vegas. 

The ceremony will be held at the MGM Grand on Sunday, May 17 and a press release from Billboard explains that the beauties will "take to the stage to perform a special version of their chart-climbing song 'Worth It'". Other performers include Ed Sheeran, Taylor Swift and Nick Jonas. 

5H, meanwhile, recently announced that they'll be heading over to the UK at the end of this month and will perform live at London's famed G-A-Y venue on Saturday, May 30. Entry to the event is £4 and wristbands will be available from the venue, which is at Heaven Nightclub, Under The Arches, Villiers Street, London, WC2N 6NG.

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