1.PewDiePie

Felix Arvid Ulf Kjellberg born on 24  October 1989 Known as PewDiePie (his online alias).PewDiepie gathered huge followers and in 2012 channel was subscribed by one million user.Till Today the channel has 43 million subscriber and 11.8 billion views.

2.German Alejandro Garmendia Aranis 

German Alejandro Garmendia Aranis born on 25 April 1990 Known by his YouTube channels HolaSoyGermán and JuegaGerman.He is a comedian,musician,singer and writer.His first video was uploaded on YouTube in 2011.As on April 28 2016 his channel has 27  million subscribers and 2.5 billion views.

3.RihannaVEVO

Robyn Rihanna Fenty born on February 20 1988 is a  Barbadian singer and songwriter.She started her RihannaVEVO channel in 2005.Channel has 20 million subscriber and 8 billion viewers.

4.Smosh

Smosh-Web-based comedy duo consisting of Ian Andrew Hecox (born November 30, 1987) and Anthony Padilla born September 16, 1987.They began to upload videos in YouTube during autumn of 2005.As on may 2016,channel has 22 million subscribers and 5.5 billion views.

5.JustinBieberVEVO

It is a Justin Bieber account.He is Canadian pop musician,song-writer,singer born on 1994.First video was uploaded in September 25 2009.It has  21 million subscribers and 10 billion views.

6.Nigahiga

Ryan Higa also known by his YouTube name Nigahiga.First video was uploaded in the mid of 2006.Channel has 16 million subscribers and 2.6 billion viewers.

7.TaylorSwiftVEVO

she was an American singer,songwriter,Actress born on December 13 1989.Her first release swifts self-titled debut album in 2006.she joined YouTube in may 12 2009.Till today her channel has 19 million subscribers.

8.KatyPerryVEVO

KatyPerry-she was  an American singer,songwriter,actress.Her first video uploaded in the year 2001.Now her channel KatyPerryVEVO has 18 million subscribers and 7 billion viewers.

9.EminemVEVO

Eminem was born on October 17 1972.His first uploaded video was on 1992.Till today his channel EminemVEVO has 16 million subscribers and 6 billion viewers.

10.OneDirectionVEVO

OneDirection mostly known as 1D an English-irish pop boy band in London.Their first video was uploaded in the year 2011.This channel has 20 million subscribers and 6 billion viewers.

Count of subscribers and viewers are approximate.