Members of the British girl group "Little Mix" pose as they arrive at the Teen Choice Awards at the Gibson amphitheatre in Universal City, California August 11, 2013. REUTERS/Fred Prouser (UNITED STATES - Tags: ENTERTAINMENT)
(L-R) Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock and Perrie Edwards of British pop group "Little Mix" perform on NBC's "Today" show in New York June 17, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: ENTERTAINMENT)
(L-R) Jade Thirlwall, Jesy Nelson, Leigh-Anne Pinnock and Perrie Edwards of British pop group "Little Mix" appear on NBC's "Today" show in New York June 17, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: ENTERTAINMENT)
Little Mix performs "Black Magic" during the 2015 Teen Choice Awards in Los Angeles, California, United States August 16, 2015. REUTERS/Mario Anzuoni
The group Little Mix poses backstage with their award for Choice Music: Breakout Artist at the 2015 Teen Choice Awards in Los Angeles, California, United States August 16, 2015. REUTERS/Danny Moloshok
Britain's Prince Harry greets members of Little Mix after the Royal Variety Performance at the Albert Hall in London, November 13, 2015. REUTERS/Paul Hackett
Members of British band Little Mix arrive for the BRIT Awards at the O2 arena in London, Britain, February 24, 2016. REUTERS/Paul Hackett
Little Mix perform at the BRIT Awards at the O2 arena in London, Britain, February 24, 2016. REUTERS/Stefan Wermuth EDITORIAL USE ONLY
Members of British band Little Mix arrive for the Brit Awards at the O2 Arena in London, Britain, February 22, 2017. REUTERS/Neil Hall EDITORIAL USE ONLY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
Little Mix accept the award for British Single at the Brit Awards at the O2 Arena in London, Britain, February 22, 2017. REUTERS/Toby Melville EDITORIAL USE ONLY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
Little Mix hold their the award for British Single at the Brit Awards at the O2 Arena in London, Britain, February 22, 2017. REUTERS/Neil Hall EDITORIAL USE ONLY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
2017 Kids' Choice Awards - Show - Los Angeles, California, U.S., 11/03/2017 - Little Mix performs a medley. REUTERS/Mario Anzuoni
Little Mix pose with their Best UK & Ireland award during the 2018 MTV Europe Music Awards at Bilbao Exhibition Centre in Bilbao, Spain, November 4, 2018. REUTERS/Sergio Perez
Little Mix perform at the Brit Awards at the O2 Arena in London, Britain, February 20, 2019. REUTERS/Hannah McKay
Little Mix with the award for British Video of the Year at the Brit Awards at the O2 Arena in London, Britain, February 20, 2019. REUTERS/Hannah McKay