If Orlando Bloom comes around looking to finish what he started, Justin Bieber will be ready.
The diminutive pop star posted a video Thursday afternoon on Instagram ... showcasing his boxing skills while sparring with his bodyguard Hugo.
He captioned the video, "Not a boxer but it's cardio and it's fun so don't judge me lol."
Orlando, you've been warned.
Training for the
Orlando Bloom Rematch
8/14/2014 1:00 PM PDT BY TMZ STAFF
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