I would say it is Harleys In Hawaii. It surpassed over 1 billion streams combined (795m on Spotify + 226m on YouTube).

Edited April 22Apr 22 by Imagine Dragon

Harleys In Hawaii

Last global smash hit: Dark Horse

Last moderate hit: Chained To The Rhythm

Okay-performing hit: Never Really Over (it was her saving grace before she BOMBED her career with Small Talk)

Good recurrent streaming numbers but didn't really have the "momentum" to be called a hit: Harleys In Hawaii.

Woman's World — everyone knows it, but for the wrong reasons.
If everyone knows your song, that's a hit

Edited April 22Apr 22 by AvadaKedavra

Dark horse

"Never Really Over".

Just now, AvadaKedavra said:

Woman's World — everyone knows it, but for the wrong reasons.
If everyone knows your song, that's a hit

But only 89m streams (66m Spotify + 23m YouTube).

Even When I'm Gone (her last single before that) has over 360m streams combined.

Also why is Feels not in the poll? Katy sings like over half of the song, has almost 1.4 billion streams on Spotify and peaked in the top 20?

Ur so gay

Just now, KatyPrismSpirit said:

Also why is Feels not in the poll? Katy sings like over half of the song, has almost 1.4 billion streams on Spotify and peaked in the top 20?

Oops, kinda forgot about that one. Added.

I guess HiH

but I feel like 'viral' fueled hit songs are somehow less remembered? idk...

1 minute ago, KatyPrismSpirit said:

Also why is Feels not in the poll? Katy sings like over half of the song, has almost 1.4 billion streams on Spotify and peaked in the top 20?

Cause most people thought she was Gwen Stefani

Con calma remix

Never Really Over. Going Top 20 on the Hot 100 and over 700M streams is a hit. Harleys in Hawaii was a viral hit so it kind of counts too. If you have over 750M streams with a song, that's a hit in this day and age.

harleys in hawaii

Just now, GAGAISTHEBESTYA said:

Cause most people thought she was Gwen Stefani

Nobody did pls

Con Calma

That's her Despacito

Feels or Chained to the Rhythm I don't remember their release dates

1 minute ago, KatyPrismSpirit said:

Nobody did pls

Harleys In Hawaii soon at 800M Spotify streams + 230M Youtube views

still doing +550k daily streams

A HIT

Not a single vote for Chained to the Rhythm wow. It kinda seems forgotten sandwitched between Prism and Never Really Over / Harleys.

1 minute ago, Imagine Dragon said:

Not a single vote for Chained to the Rhythm wow. It kinda seems forgotten sandwitched between Prism and Never Really Over / Harleys.

It started pretty great but sadly didn't serve the longevity to be a remembered hit. Still snatched a cute peak at #4 tho. And globally it debuted well too.

Just now, KatyPrismSpirit said:

It started pretty great but sadly didn't serve the longevity to be a remembered hit. Still snatched a cute peak at #4 tho. And globally it debuted well too.

I feel like Bon Appetit / Swish Swish stole the show in the Witness era and not in a good way.

If she continued the Chained path and released follow-up singles like Witness, Roulette, Power... it might have been different for her.

Uncle

5 minutes ago, Imagine Dragon said:

Not a single vote for Chained to the Rhythm wow. It kinda seems forgotten sandwitched between Prism and Never Really Over / Harleys.

That's because she had more hits after it

CTTR is still a platinum hit in +12 countries and doing +120k daily streams