Katy Perry roars to top of British singles chart

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Singer Katy Perry shows off her bejeweled teeth on arrival for the 2013 MTV Video Music Awards in New YorkLONDON (Reuters) – American singer Katy Perry has secured her fourth number one in the British singles chart with her latest release "Roar", sales figures showed on Sunday. Already a number one hit in the United States and around the world, the song knocked "Burn" by English singer-songwriter Ellie Goulding off the top spot in its debut week. Perry, whose previous hits include "Firework" and "I Kissed a Girl", sold 179,500 copies in the last week, making it the third fastest selling single of the year, according to the Official Charts Company, which compiles the weekly list. …