Avicii makes it 2 weeks in a row and keeps One Direction from the top spot.
BBC Radio 1
Jameela gets a little help from Pete Tong to reveal the UK's Official No 1
Iggy Azalea joins Jameela in the studio to help count down the new Top 10 singles.
John Newman joins Jameela and Britain's Got Talent finalist Gabz drops in.