US singer Ariana Grande has made British chart history by becoming the first number one single based on sales and streaming.
The 21-year-old's hit Problem featuring rapper Iggy Azalea was streamed 712,000 times. Grande also pulled in 106,000 sales, the Official Charts Company said.
It is the first time songs played on streaming services like Spotify, Deezer, Napster, O2 Tracks, Xbox Music and Sony's Music Unlimited have counted towards the chart rankings alongside physical and digital sales, the Official Charts Company said.
Of her debut number one, Grande said: "I'm so happy. Yay."
Earlier this week Official Charts Company said.said US singer Ariana Grande was way out in front to top the singles chart with Problem featuring Iggy Azalea selling more than double her nearest rival Ella Henderson.
By Tuesday Grande's song clocked up around 55,000 sales - with 1% of those from streaming, while Henderson's track Ghost had 21,000 sales, 8% of which were from streaming. George Ezra's Budapest was on course to rise to number three following his performance at last weekend's Glastonbury festival.
Meanwhile Ed Sheeran's Sing - expected to be number four - was predicted to be the most streamed track of the week with 13% of his sales accounted for through online listening, also possibly given a boost by his appearance at Glastonbury.
Other acts to have benefited from performing at the festival include country star Dolly Parton whose 1973 single Jolene is on course to make the top 40.