Whether intentionally aimed at Bieber or not, this feud isn't likely to end any time soon.

The beef between Justin Bieber and The Weeknd just went to a new level after the "Starboy" singer appeared to diss his girlfriend Selena Gomez's ex in a new song. "That shit's wack." Of course, we know that Justin Bieber probably does listen to your music, despite his best efforts to avoid it.

The Weeknd provided guest vocals on the song, and fans quickly discovered that he might be talking to someone in particular.

This line from a verse seems particularly suspect: "I think your girl, think your girl, fell in love with me".

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Justin Bieber is looking for love.

Singer Selena Gomez, and singer The Weeknd walk the runway during the 2015 Victoria's Secret Fashion Show at Lexington Avenue Armory on November 10, 2015 in New York City. "She say my f*** and my tongue game a remedy". And as The Weeknd, real name Abel Tesfaye, prepares to mark his 27th birthday on Thursday (16Feb17), Selena threw him a surprise party on Monday night (13Feb17).

And then there was a couple of days before that when Biebs did an Instagram Live video and was bombarded with fan questions (obviously).