Looking on the internet deeply has found these results:

Justin Bieber is the most popular phrase on the web.

Pewdiepie 115,300,000 results on the web	Justin Bieber 124,100,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
He's like the PewDiePie of music. All my little brother wants to do is sit on YouTube watching this PewDiePie play video games. Ike is watching PewDiePie play Dragon Age. I'm going.	concert film Justin Bieber: Never Say Never. Justin Bieber performing Believe Tour in October 20, 2012 ... Never Say Never � The Remixes Justin Bieber. Help change the world. Purpose out now! smarturl.it/JBPurpose. 3,185 posts; 59.5m followers; 80 following. Scariest photo I've ever taken and I�... Oct 22, 2015 ... And sign up to Justin's newsletter: http://justinbiebermusic.com. Snapchat: rickthesizzler. Lyrics: Sorry � Justin Bieber You gotta go and get and the 3D biopic 30.7K tweets � 2143 photos/videos � 76.1M followers. Check out the latest Tweets from Justin Bieber (@justinbieber)

Pewdiepie

115,300,000 results on the web

Justin Bieber

124,100,000 results on the web

More popular!

He's like the PewDiePie of music.
All my little brother wants to do is sit on YouTube watching this PewDiePie play video games.
Ike is watching PewDiePie play Dragon Age. I'm going.

concert film Justin Bieber: Never Say Never.
Justin Bieber performing Believe Tour in October 20, 2012 ... Never Say Never � The Remixes
Justin Bieber. Help change the world. Purpose out now! smarturl.it/JBPurpose. 3,185 posts; 59.5m followers; 80 following. Scariest photo I've ever taken and I�...
Oct 22, 2015 ... And sign up to Justin's newsletter: http://justinbiebermusic.com. Snapchat: rickthesizzler. Lyrics: Sorry � Justin Bieber You gotta go and get
and the 3D biopic
30.7K tweets � 2143 photos/videos � 76.1M followers. Check out the latest Tweets from Justin Bieber (@justinbieber)