It is definitely Justin Bieber.
The Unpoppables - 2011 Pop Goes the Castle 1-6 was released on: USA: 21 February 2011
Nashville Star - 2003 Pop Goes Country 1-4 was released on: USA: 2003
Platinum Hit - 2011 Snap Crackle--- Pop 1-9 was released on: USA: 29 July 2011
Girls Next Door - 2011 Pop Angel 1-11 was released on: USA: 7 December 2011
Reality Me - 2011 J Star 1-3 was released on: USA: 24 March 2011
Child Star Confidential - 2006 Pop Idols 1-7 was released on: USA: 26 May 2006
In the Flow with Affion Crockett - 2011 Two Kings of Pop 1-3 was released on: USA: 28 August 2011
Thomas and Friends Pop Goes Thomas - 2011 was released on: USA: 1 March 2011 UK: 9 May 2011
The Wanted Life - 2013 Comeback Like a Pop Star 1-7 was released on: USA: July 2013
the number 1 star of Disney is Selena Gomez
me
The Wanted Life - 2013 Fight Like a Pop Star 1-3 was released on: USA: 16 June 2013