Katy Perry's 'Roar' knocks 'Blurred Lines' out of No. 1 spot

Katy Perry's 'Roar' knocks 'Blurred Lines' out of No. 1 spot

Katy Perry's 'Roar': Already a Career Best, Sets 2013 Digital Record

Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100 – Billboard, roar song

Katy Perry's 'Roar' tops U.S. record chart

Katy Perry's New Single, 'Roar', Leaked Early. When Will It

Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100

Katy Perry's 'Roar' Now Aiming to Sell 525,000-Plus Downloads in

Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100

Roar becomes Katy Perry's eighth No. 1 : ohnotheydidnt

Katy Perry's 'Roar' Dethrones Robin Thicke's 'Blurred Lines' on

Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100

Katy Perry's 'American Idol' Exit: 84-Year-Old Vet's Son 'Not

Rixton spoofs Miley Cyrus, Katy Perry, and Robin Thicke in 'Make Out

Soulless' Katy Perry's 'Army of Enablers' Will Sink to Any Low in