Who was the last female singer to have a number 1 single?

[NIghtmareElm 2,606]

No male features.  Who was the last female singer that had a #1 single on BB?  I honestly can't remember.  It's been so long since any pop girl dominated the charts.  

[Decodekid 28,168]

i think it was Sia with Cheap Thrills 

[AmericanGUY 4,609]

i think it's been two years but i'm not quite sure lemme try to research 

[River 116,225]

Adele with Hello maybe?

Closer and Despacito took the #1 for a long time..

[Decodekid 28,168]

Just now, AmericanGUY said:

i think it's been two years but i'm not quite sure lemme try to research 

gurl no Rihanna was slaying with Work last year 

[PunkTheFunk 124,406]

1 minute ago, Decodekid said:

i think it was Sia with Cheap Thrills 

ft. Sean Paul 

I think it must have been Adele with Hello.

[PunkTheFunk 124,406]

Just now, Decodekid said:

gurl no Rihanna was slaying with Work last year 

ft. Drake 

[TheRoof 21,600]

 

the last solo female song to hit number 1 was hello by adele in 2015 

this is

[PeterPan 0]

Just now, Decodekid said:

gurl no Rihanna was slaying with Work last year 

he said no male features

[River 116,225]

1 minute ago, Decodekid said:

i think it was Sia with Cheap Thrills 

it was with sean paula so I think the topic disqualifying this song.

[GypsyBabe 22,836]

So since 2015? That's so sad 

[Decodekid 28,168]

1 minute ago, PunkTheFunk said:

ft. Drake 

then Hello probably

[Tomiel25 2,111]

Actually Hello slay till january 16 of 2016  that was the last time that a female with no ft rule the first place of BBhot

[SISTERV 3,887]

I just don't get how this has happened. What changed in 2015? 

[PeterPan 0]

Just now, SISTERV said:

I just don't get how this has happened. What changed in 2015? 

nothing