Katy Perry's ‘Roar' Music Video Reaches 4 Billion YouTube Views
She's got the eye of the tiger, and that's why Katy Perry‘s "Roar" music video has skyrocketed to 4 billion YouTube views, ...
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Lady Gaga and Katy Perry to perform on the same day in Mexico City: Fans are reselling their tickets
Fans of Katy Perry and Lady Gaga are describing it as 'Roar vs Applause' all over again. The two fan-favorite singers released their respective singles in August 2013, igniting a notable pop culture ...