noo.. unfortunately. Justin Bieber rose up to fame before One Direction.
Justin Bieber
Both
because Justin Bieber has a lot more obessive female fans and they watch the video continuously
One Direction.
Probably Justin Bieber.(The question says "more famous", not better.)
i do not know because there both popular
Justin Bieber is more famous
More people have watched it.
No way 1D has more fans o
Justin Bieber, he has more fans.
Justin Bieber.
Justin Bieber