The Justin Bieber hair secret is out! The tween sensation known for his mod shag 'do and signature hair flip was spotted this past weekend, December 18th in Miami, Florida -- heading into his tour bus with his very personal toiletry bag in hand which included the shampoo of champions -- Pantene Nature Fusion!

Justin Bieber Shown Carrying Patene Shampoo

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JB's a Pantene lather kinda guy!? Who woulda' thought!?

Justin Bieber and Selena Gomez Hug in Trailer

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Recently rumored to be dating Disney teen queen Selena Gomez, the pair was also spotted the same night hanging out pretty close and personal in the Bieber's tour bus. Can these two just come out of the secret society dating closet already!?

Related Article: Couple Alert -- Justin Bieber & Selena Gomez!?

What do you think about Bieber's Pantene preference? And.. of course what do you think about Justin and Selena as a couple!?