no, he never met him
Yes Austin Mahone has met Justin Bieber.
Yes, justin has met her before
usher met Justin Bieber on you-tube when he sung the song with out you by Chris brown.
Yes, Justin Bieber met the president three times.
Justin bieber has met alot of people during concerts and school no one can name all of them.
No
Yes.
no, Justin Bieber does not know about Tabitha Saldana.(why) because Justin Bieber never met Tabitha Saldana.
Justin Bieber has met a lot of people; celebrities, fans, and ordinary people. As many people have, he has met too many people to put everyone in an answer.
Yes Bella Thorne has met Justin Bieber
Yes, they met in 2010
Justin Bieber has not ever met JLS therefore he wouldn't know who is who.