What's New

Follow along with Justin's YouTube and Twitter!

App Description

Are you Justin Bieber's biggest fan? Do you know it all? Test yourself with great Justin Bieber trivia. Questions ranging from music to his favorite foods to family members.

iPhone Screenshots

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Justin Bieber - Know It All screenshot 1 Justin Bieber - Know It All screenshot 2 Justin Bieber - Know It All screenshot 3 Justin Bieber - Know It All screenshot 4 Justin Bieber - Know It All screenshot 5

iPad Screenshots

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Justin Bieber - Know It All screenshot 6 Justin Bieber - Know It All screenshot 7 Justin Bieber - Know It All screenshot 8 Justin Bieber - Know It All screenshot 9 Justin Bieber - Know It All screenshot 10

App Changes

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