I think you mean "who is Justin Bieber's most know ex-boyfriend".
His ex's name is Caitlin Beadles. She's the sister of his friend Christian Beadles
Justin Miller is most well known for his talents in performing magic. There is also another Justin Miller who is very well known for his DJ skills. And again, another Justin Miller who is known as being an excellent baker.
he has an exgirlfriend named Caitlin beadles.. they broke up. But yes, she did get hit by a boat.NO!
his singing
he wrote it because his exgirlfriend who died 2 years ago.it was out of the blue.i was so sad for him when i found out i wanted to cry for him.:'(
JoJo
All of them.
Actor Justin Bartha currently lives in California. Justin is most known for appearing in The Hangover movies. He married Lia Smith earlier this year.
Justin Bieber is sarcastic. Most guys get a little sarcastic when they get around their friends. Justin has also been known to have been a little sarcastic to the press.
Miley Cyrus.
YES! YES!
No