Justin Bieber’s ‘Heartbreaker': What We Know So Far!

After Bieber posted the first line on Instagram, MTV News is rounding up everything we know about the single.

As summer temperatures heat up, so do the teases for Justin Bieber’s next single, “Heartbreaker.” The 19-year-old gave fans a juicy glimpse at the first cut from his “music journal” in the late hours of Thursday night when he sang the song’s first line a cappella in a post on Instagram, sending the Internet swooning into the night.

While fans still have a lot of questions about the single — like, when are they going to hear it? — MTV News has rounded up what we know about it so far. So press play on that Instagram teaser and study up.

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