Jason Derulo earns third UK No.1 single

Jason Derulo has scored his third UK number one single with 'Talk Dirty'.
The 2 Chainz collaboration sold almost 160,000 copies over the past seven days to knock Katy Perry's 'Roar' down to number two. It is the fourth fastest-selling single of 2013 so far.
Jessie J lands at three with her latest single 'It's My Party', followed by OneRepublic who slip two to four with 'Counting Stars'.
Avicii enters at five with his new track 'You Make Me', while his former chart-topper 'Wake Me Up' stays at six.
Drake slips two to seven with 'Hold On We're Going Home'. Ellie Goulding drops five to eight with former number one 'Burn'.
Macklemore and Ryan Lewis hold steady at nine with 'Same Love', while Klangkarussell falls four to ten with 'Sonnentanz'.
Christina Perri re-enters the Top 40 once again with 'A Thousand Years', leaping 84 places to 11 after Nicholas McDonald performed it on The X Factor last week. Ben Pearce climbs 12 spots to 13 with 'What I Might Do'.
Birdy scores a new entry at 16 with her new single 'Wings'. The Wanted re-enter the Top 40 with 'We Own the Night', climbing 28 places to 23.
Katy Perry lands at 21 with 'Dark Horse', her second track to be lifted from Prism.
Linkin Park and Steve Aoki arrive at 34 with their collaboration 'A Light That Never Comes'. Scottish trio Chvrches enter at 38 with 'The Mother We Share'.
Arctic Monkeys keep UK No.1 album