Justin Bieber decided to make a joke about underage girls during An Acoustic Evening With Justin Bieber at The Danforth Music Hall, but jumbled things when it came to the math portion.
"Who's 13? We got any 14-year-olds? Uh, so … 14, 15, 16, 17," he said, before counting on his fingers. "Four more years until you're 18."
Next time, how about not?
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