VIDEO: Justin Bieber brings dance crews on So You Think You Can Dance

Justin Bieber makes an appearance on So You Think You Can Dance premiere tonight.

He will be introducing dance crews to the show.

Each week, viewers get a chance to vote for their favorite dance crew to make it to the finale of SYTYCD.

That's it.

I guess this was just a reason to get Justin Bieber on the show for ratings. Hope it helps!

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