Don't Stop The Pop (MASHUP - Ke$ha, Katy Perry, and Justin Bieber)

mouseglide31 Says:

Nov 30, 2011 - ke$ka ROCKS!!!!!!!

BellaSwan2222 Says:

Dec 1, 2011 - they pitched it up and it doesn't sound right!! listen to this than listen to the original it's only like maybe half a step but his voice was DEFINITELY changed in this!!

fanofbieber102 Says:

Dec 3, 2011 - you must hate justin bieber i like his regukar voice what did u do!!!!!!

MrCombinesoldier Says:

Dec 6, 2011 - YAWN

james20207 Says:

Dec 9, 2011 - Bieber's vocals had to be pitch altered to match the other 2 which are in the key of F.

winytwiny Says:

Dec 27, 2011 - ┌∩┐(◣_◢)┌∩┐FUCK JUSTIN BIEBER

123479marcos Says:

Dec 29, 2011 - _l_

MrDoom8125 Says:

Dec 29, 2011 - justin beibers a faggot

jeremycoolguy11 Says:

Dec 30, 2011 - wowwwwwwwwwwwwwwwwwwwwwwwwwwwwww best part is from 0.00 till 2.56

danielteck95 Says:

Jan 4, 2012 - Justino Bieber rovina tutto D;

superstarsaregreat Says:

Jan 17, 2012 - <3 THIS MASHUP EXCEPT JUSTIN HE SUCKS!!!!

unicornsandponys99 Says:

Jan 27, 2012 - The biebs ruins it

AJL0ver Says:

Feb 5, 2012 - Justine Bieber ruins it.And no I didn't not misspell her name

Sydneyblue101 Says:

Feb 11, 2012 - ThisIs. Horrible

SirConnorMack Says:

Feb 12, 2012 - What are you talking about? He sounds the same..

teapants67 Says:

Feb 14, 2012 - omg did justin bieber really ever sound like that???!!!! holy crap he was annoying but its ok i still love him

fuckyouhackershit Says:

Feb 22, 2012 - THE ACID PARTY WILL NOT END TRUE LOVE dumb ass!--Amaliya (white rabbit can kick!)

kelvbot2 Says:

Mar 6, 2012 - @dustymew you never said whos head, so shall we aim it at biebers or bieberlyrics??? in that case, should we give him two bullets then???

andreafullen9 Says:

Mar 9, 2012 - ummm..if you have not noticed his voice is like that so calm down stupid blieber ughh

mswishroses Says:

Apr 4, 2012 - Justin gayber ruins the pop -.-

TheTusymakiUchiha Says:

Apr 13, 2012 - go Katy

chachamorgant Says:

Apr 16, 2012 - Lol what wrong with nbieber voice XD

Kelly Davis Says:

Apr 24, 2012 - You guys are taking Justin too seriously. Really with that beat, it's needed to higher his voice. We all know his voice isn't that high, so just get over it.

ohyeagirl1111 Says:

May 10, 2012 - i know justins voice was high back then, but not that high. i just dont think it was nescessry to raise the pitch in this vid

ennie0147 Says:

May 26, 2012 - omg Bieber xDDDDDDD