Justin Bieber is 18-years-old ... and believes Michelangelo painted the "Sixteenth Chapel" ... and last night, David Letterman ripped him for it.
TMZ:
Justin Bieber is 18-years-old ... and believes Michelangelo painted the "Sixteenth Chapel" ... and last night, David Letterman ripped him for it.
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TMZ | Posted: 06/22/2012 11:41 am Updated: 06/22/2012 11:41 am