Sigma could score their second UK No.1 in a row this weekend with Changing Ft. Paloma Faith.

In today’s Official Chart Update the DnB duo are 38,000 copies ahead of Professor Green who challenges at No.2 with Lullaby Ft. Tori Kelly.

[related]Elsewhere in the midweek update Lilly Wood & Robin Schulz fall a place to No.3, Calvin Harris and John Newman’s current chart-topper Blame slips to No.4 and Taylor Swift shifts down to No.5 with Shake It Off.

At No.6 is Sam Smith’s I’m Not The Only One, down two to No.7 is Iggy Azalea and Rita Ora’s Black Widow while The Script stay put at No.8 with Superheroes.

MAGIC! also hold their ground at No.9 with Rude while George Ezra's Blame It On Me climbs ten places to No.10 to round off this week’s chart.

Find out who wins this week’s No.1 by following @MTVMusicUK on Twitter.

'Chart information © Official Charts Company 2014'