The Scottish DJ's latest collaboration 'Sweet Nothing' featuring Florence Welch currently leads the singles tally, as Swedish House Mafia's 'Don't You Worry Child' slips to two.

© WENN / Lia Toby/WENN.com

© Rex Features / Matt Baron/BEI
Psy's 'Gangnam Style' is at three, Lawson's 'Standing In The Dark' is a new entry at four and Rihanna's 'Diamonds' is at five.
Taylor Swift's 'We Are Never Ever Getting Back Together' advances five places to seven following her X Factor performance, while Rebecca Ferguson's new single 'Backtrack' lands at number 16.
Paloma Faith's cover of INXS's 'Never Tear Us Apart' moves up to 18, Justin Bieber and Nicki Minaj's 'Beauty And A Beat' is at 24 and the Pet Shop Boys are at 29 with 'Leaving'.
Over on the album chart, Jake Bugg's self-titled debut album is on course to prevent Leona Lewis from scoring her third UK number one album.

Bat For Lashes are a new entry at four with The Haunted Man and Muse are at five with The 2nd Law.
Elsewhere, Rebecca Ferguson's repackaged edition of Heaven is at seven and Placebo's mini album B3 is on the edge of the chart at 38.
Watch the music video for Calvin Harris and Florence Welch's 'Sweet Nothing' below:







