Who is justin talking about in the video what girl is his one tình yêu one tim, trái tim one life????

on his interview on muchmusic he đã đưa ý kiến that there was no special girl behind the song he đã đưa ý kiến that it goes out to all the girls if u dont belive me go on Youtube and write justin bieber interview muchmusic and u will see when u watch it

at much âm nhạc he đã đưa ý kiến that ,
the song onetime goes out to all the girls . <3