Ariana Grande's 'Problem' (which of course features Iggy 'Iggy Izz' Azalea) has become the first UK Number One since the inclusion of streaming data.
It's also Grande's first UK Top 40 hit ever, so that's quite good isn't it.
According to the Official Charts Company, the single 'sold' 113,000 copies in a week — 106,000 of this coming from digital sales with 7,000 coming from streaming. (The song was streamed a total of 712,000 times in seven days, with 100 streams equalling one sale.)
Ella Henderson's 'Ghost' is at Number 2, with laughing boy George Ezra up to Number 3.
You can see the full chart here if you like.