Justin Bieber posted on Instagram that he has Lyme disease, a bacterial illness spread by ticks.
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Justin Bieber was born in Stratford, Canada.
Justin Bieber made his first tweet at 8:27 pm, promoting his single 'One Time.'
Psy's 'Gangnam Style' music video became the most viewed video on YouTube, passing 800 million views.
Justin Bieber reached one million followers on Twitter.
