Ariana Grande and Iggy Azalea have made chart history, claiming the first UK No.1 single to be based on combined sales and streaming figures.
Grande's 'Problem' featuring Iggy Azalea claims the top spot of digital sales, combined with plays from Spotify, Deezer, Napster, O2 Tracks, Xbox Music, Sony's Music Unlimited and more.
Official Charts Company reports that 100 streams are equivalent to one single purchase, with 'Problem' this week having a combined ‘chart sales’ figure of 113,000 - comprising of 106,000 sales and a streaming contribution of 6% based on 712,000 audio streams.
Grande's manager Scooter Braun added: "Landing her first Number 1 on the Official Singles Chart is an incredible achievement and another benchmark in the continued global success of Problem. Thanks to the loyal UK fans whose incredible support has made this possible. This is your Number 1, too."
Elsewhere in the singles chart, Ella Henderson is at No.2 with 'Ghost', George Ezra comes in at No.3 with 'Budapest', Ed Sheeran slips to No.4 with 'Sing' and Oliver Hendens and Becky Hill complete the top five with 'Gecko (Overdrive)'.
Meanwhile in the albums chart, Ed Sheeran hangs on to No.1 with X, 5 Seconds Of Summer's self-titled debut is at No.2, George Ezra's Wanted On Voyage enters at No.3 and her astounding Glastonbury performance has seen Dolly Parton's best of compilation Blue Smoke stand tall at No.4. Sam Smith's In The Lonely Hour is at No.5.