Justin Bieber has sang with Usher, Jasmine Villages, Rascal Flatts, and Jaden Smith
usher
Justin Bieber
i think about 6.
This is because it's something Usher made up and it identifies him; many other singers have "sayings" that only they use.
Usher
Justin Bieber didn't sing to Usher because he wanted to get rich, he sang to him because he wanted to show Usher his talent. At first when Justin met Usher he asked to sing for him but Usher wasn't interested, then he sang U Got It Bad for him a while later.
When he was singing in front of Usher he sang the song "You Got It Bad". This was the song he sang when he met Usher for the first time.
I like to listen to usher, chris brown and j holiday.. they are really good singers
Justin Bieber
on the song somebody to love
No, they sang a duet together though.