Uptown Funk has been giving it to us for four weeks as the UK's No.1 and according to today's Official Chart Update, it's going to continue doing so FOREVER.

Not since Robin Thicke's Blurred Lines back in 2013 have we had someone spend five weeks at No.1 and Ronson looks set to match it, currently 25,000 sales ahead of the competition.

Elsewhere in the midweek update,Philip George stubbornly remains at No.2 with Wish You Were MinewhileHozier continues making a run for it, with Take Me To Church climbing to No.3.

Olly Murs and Demi Lovato hold fast at No.4 with Up while Ed Sheeran's Thinking Out Loud slides two places to No.5

Taylor Swift stays put at No.6 with Blank Space and Alesso climbs two places this week to No.7 with Heroes (We Could Be) Ft. Tove Lo.

At No.8 it's Tchami, down one with Promesses Ft. Kaleem Taylor and Ben Haenow slips to No.9 with his X Factor winning single Something I Need.

Meghan Trainor rounds of the midweek Top 10 with All About That Bass.

Check back on Sunday to see if Mark and Bruno continue their epic chart reign.

'Chart information © Official Charts Company 2015.'