Judeline helped write the world's biggest song

Karol G's "BbY WOW" is number one on the planet, and one of its co-writers is still catching her breath.

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Sep 13, 2026

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Judeline helped write the world's biggest song

Karol G's "BbY WOW" is number one on the planet, and one of its co-writers is still catching her breath.

In brief

Karol G's "BbY WOW" is number one on the planet, and one of its co-writers is still catching her breath. Nobody in the room can predict which song connects, not even the people who wrote the hit. Originally reported by Rolling Stone.

A club track went global

A club track went global

Karol G's smooth club song "BbY WOW" has climbed to number one on both Spotify and the Billboard Global 200 over the last few weeks.

The numbers keep climbing

78 million Spotify listens and 37 million YouTube views, and the song is still growing rather than cooling off.

“The song is a streaming juggernaut”

Karol didn't do it alone

She brought in Spanish producer-artist Rusowsky and Spanish singer-songwriter Judeline to sing on the track with her.

Judeline was already inside the album

judeline

She was one of Karol's most trusted collaborators on "No Me Arrepiento de Sentir Tanto," the record "BbY WOW" belongs to.

Four writing credits deep

Judeline helped write the hit and has credits on three more tracks: "Matadora," "Te Llevas To" and "Final Feliz."

She never saw it coming

Judeline knew Karol's reach would carry the song, but the scale of it caught her off guard, and she's been celebrating since.

“No one knows what song is going to connect most with people, so we've been celebrating.”

The bottom line

Nobody in the room can predict which song connects, not even the people who wrote the hit.

Read the original on Rolling Stone

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