Last night's Leafs season opener ended in an overtime win for Toronto and the Biebers joined in on the celebrations.
Hailey tuned into the game as soon as it started and showed off her Toronto love in her Instagram story.
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Justin posted a series of clips of the game on his story as well, accompanied by the Leafs' goal song, "You Make My Dreams Come True" by Hall & Oates.
The final story he posted was of OT hero Morgan Rielly scoring the winning goal, with "Thunderstruck" by AC/DC playing in the clip.
The Biebers have made their Leafs pride well-known over the years. Hailey loves to rock her team gear and the two have been spotted cheering in the stands more than once.
Justin is friends with a few of the players, especially Auston Matthews. His bromance with the team has even made Drake a little jealous in the past.
It was an exciting start to the season for the Leafs, who got to host the Habs at their home arena in Toronto.
The Leafs will face off against the Ottawa Senators at 7 p.m. on Friday. We're willing to bet that the Biebers will be tuning in!