Noone can move katy from her position of Queen of the World's best-selling Singles chart! "Roar" stays at No.1 for the seventh week!
No change in chart position this week for Avicii's 'Wake Me Up!' which is still at No.2 and Lorde's 'Royals' which stays at No.3. Miley Cyrus' 'Wrecking Ball' is still at No.4.
This week's greatest gainer is Japanese girlie group, NMB 48. Their seventh global top 10 smash since two years, 'Kamonegikkusu', debuts at No.5 in this week's Global chart.
Lady Gaga slips from No.4 to 6 with her smash hit 'Applause' while Drake moves up one from No.8 to 7 with 'Hold on we're going home'
'Walking On Air', the third Single from Katy Perry's upcoming album 'Prism', enters the Top 20 at No.19.
Robin Thicke slips from 5 to 8 this week with his chart topping 'Blurred Lines' featuring Pharell and T.I.
One Republic's 'Counting Stars' remain at No.9 this week even though they are No.1 in the UK!
Closing this week's Top 10 World Singles is Lana Del Rey with 'Summertme Sadness' featuring Cédric Gervais.
New entry for 'Gomennasai No Kissing You' by the E-Girls at No.27.
'23', the lead single of the debut album by American record producer Mike Will Made-It, debuts at No.39 this week and last New Entry in this week's Top 40 is 'Can We Dance' from boy group The Vamps who are No.2 in the UK official Singles chart this week.
