Even Superstars like to shop on Black Friday if you can sneak in without being recognized. Well, Justin Bieber has cut a new funny commercial for Macy's Department store.Sporting his new Du, Bieber's commercial made a middle age man squeal with delight as he makes his way to the department store for a Black Friday sale.

What would you do if you ran into Justin Bieber while shopping this Black Friday?

(video:YouTube)

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