The seeds in the deluxe edition of 'Prism' could pose a risk to the country's agriculture
Pop star says she doesn't have to get naked to be noticed
Official Chart Company midweek update reveals big new entries for 'Prism' and 'Royals'
Plus new releases from Future Of The Left, Omar Souleyman, Best Coast and Motorhead
US pop star's third album features the Number One single 'Roar'
London band perform live version of US pop star's single live at Dean Street studios
'By The Grace Of God' speaks of singer's suicidal thoughts
Singer says next record will be 'more of an acoustic guitar album'
American football team axes Katy Perry's 'Roar' as game-day anthem following fan backlash Katy Perry Tickets
Cincinnati Bengals fans apparently want to hear 'more of a hard-rock song' as their team takes to the pitch
Katy Perry unveils trap-flavoured new track 'Dark Horse' featuring Juicy J - listen Katy Perry Tickets
'Dark Horse' is the second track to be unveiled from Perry's forthcoming album 'Prism' after her Number One hit 'Roar'
The track also marks the singer's fastest-selling UK single of her career
Perry says 'Killer Queen' helped her discover music and boosted her self-confidence
Pop banger will now be available to download from September – a week earlier than originally planned
Fans can hear 30-second clips of 'Dark Horse' and 'Walking On Air'
Katy Perry's 'Roar' sells twice as many singles as Lady Gaga's 'Applause' in the US Katy Perry Tickets
Chart battle sees Perry lead sales by 2:1 in the US
Producer Dillon Francis accuses Katy Perry of ripping him off on new single 'Roar' Katy Perry Tickets
Moombahton producer says singer copied his video...