The 24-year-old pop star previewed the dance track on Friday.
Selena Gomez sent fans into a frenzy, after sharing snippets of what could be a track from her upcoming third studio album.
The 24-year-old pop star posted teasers of her new song via Instagram stories on Friday, and before long, Selenators were sharing the footage across social media.
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The song lyrics find Gomez, who just got back from a romantic trip to Italy, reminiscing about young love.
"I had a dream, we were back at 17," she sings. "Summer nights and liberties. Never growing up."
According to Billboard, the new song is called, "It Ain't Me," which was registered with the performance rights organization, ASCAP, earlier this week.
Fans suspect that Gomez could be releasing a followup to 2015's Revival "extremely" soon.
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Gomez has another "passion project" in the works. The singer-actress recently shared a first look at her upcoming Netflix teen drama series, 13 Reason Why.
See the eerie teaser below.