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Justin Bieber waits in the ring after the fight between KSI and Logan Paul at Staples Center on Nov. 9, 2019 in Los Angeles.
Before he was singing about that "yummy-yum," a young Justin Bieber was serenading new fans with "Baby," his debut album's lead single that was released on Jan. 18, 2010.

Exactly a decade later, Bieber reminisced about those early days of his career on social media, where he marked the song's 10th anniversary with a quick nostalgic post.

The pop star simply wrote "10 years," along with the eyes emoji, as a caption.

Justin Bieber
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His mom, Pattie Mallette, replied with a crying emoji.

Longtime manager Scooter Braun left a comment, too, writing: "It’s been an amazing 10 years. Here is to the next 10!"

Check out Bieber's throwback to the "Baby" artwork, plus the track's original music video, below.