because Justin Bieber has a lot more obessive female fans and they watch the video continuously
Justin Bieber's first song was "One Time" which came out at 7/7/2009. It already have 105,875,906 views until now.
More people have watched it.
The biggest hit of Justin Bieber was definitely Baby. The song sold very good all over the world, his music video has (at this moment) 551767470 views.
Lots
Baby Bieber is a Youtube video which shows Justin Bieber singing Baby, a popular song by the singer, when he was 5 years old. __ million views on youtube.
Go to youtubeJustin Bieber kidrauhl's ChannelScroll down to the video at the bottom:2:57Justin Singing So Sick by Ne-yo1,527,192 views - 3 years ago
Well, in 2007 Justin Bieber posted a video of him singing on Youtube and that video got around 10,000,000 positive views! From then on music producers kept contacting JB and that is when his musical career took off and he became a musical sensation.
A lot of views!
The most watched video on Youtube is Gangnam Style by PSY, which has over 1 Billion views, beating the previous one, Baby by Justin Bieber
As of May 29 2012, the most viewed youtube video is: JUSTIN BIEBER - BABY (741,892,697)views JENNIFER LOPEZ - ON THE FLOOR (544,545,933) views SHAKIRA - WAKA WAKA (471,571,993) views LADY GAGA - BAD ROMANCE (468,136,282) views CHARLIE BIT MY FINGER - AGAIN - (456,431,688) views
As of November 25, 2012, the most viewed YouTube video is Gangnam Style by PSY with over 850 million views on the original music video, and over a billion views combined. You can check the related link for a top 10 of the most viewed videos on YouTube.