The same phrase serves as both the title of Justin Bieber’s new song and an assessment of his latest social media stunt: “It’s Working.”

Bieber released a snippet of the new song on Instagram early Sunday, and a key lyric is fueling the speculation the heartthrob so clearly anticipated.

In declaring, “You know exactly what to do to hurt me — it’s working, it’s working,” Bieber opened the door to speculation that he was addressing his on-again, off-again significant other Selena Gomez.

The clip, which cuts off before an apparent transition into a verse, is embedded below: