Happy 25th Birthday Katy !!!

[tamtamLOVESkaty]

hahaha Keri: "happy birthday anti ginger" NOT ANYMORE :P

[tamtamLOVESkaty]

i wonder if she ever even saw this..

[CindyTheDeer]

i still wonder if she saw this :(

[LaraAdoreKatyPerry]

will you ever delete this? XD

[BagelDog123]

i just realized the song in the background is a song my english teacher played for martin luther king day. :p

[marmitecrackers96]

OMG ILOVE THIS VIDEO ITS JOKES!!

[AMB1948]

Hello my friend...

Thank you...

Good Night...

António (AMBordalo)

[VickyBG]

this is just soo cute :) katycats rulez

[ObsessionJBCxO]

so weird to see all the katycats! love this guys, great job!  <3

[cathou02]

ohhh I like to see all ur faces KatyCats!

[tamtamLOVESkaty]

OMG tine is so sweet!

Keri yours is my fav hahahah

[annstarstrukk]

i love this video maybe is 10 mins but this worth all the time!! Happy Birthday Katy!! next year i wanna participite in one massive HBD katy by the katycats what do you think?

haha i made a video too if some one want to watch ;D

We Love Katy!!!!!!!!!!

[ivanasaysmeow]

8:05 LOL BEST EVER :D

[cookiexdoughx]

Ahhh this is so amazing! Well done KatyCats :D

Happy Birthday Katy! Have a good'n

love youuuuuuuuuuu <3

[Catmuezi]

Yay,this Video is so awesome.....so the last minutes of your day here in germany.

HappyBirthdayKaty!!! :-)

[EydaSummer]

happy B day queen, love you forever:)) please give use new amazing music:)

[LaraAdoreKatyPerry]

yeah! It's done! Nics...thank you for doing this! Katy i love you so much! Also very happy! You are going to host the EMAS!

[gyukjh]

love Katy!!!!!

[BagelDog123]

i'm jealouss

[tamokaty4]

loa amo katy feliz cumple eres lo mejor de mi vida

[MandyMusicfreak]

Mummy !, I LOVE KATY PERRY !, I´m so happy that she is the Host at The MTV EMAs in Berlin (Germany) I see you soo Katy , have a good new life year !

[imara89]

katy should make a reaction video while watching this. teehee

[49127ken]

ive watched it like 15 times and i keep laughing so hardddd to all the kittens YOU ALL ROCK! AMAZING job NICS! thanks for letting me be the ending! LUFF YOU!

[GoodEnough4Eva]

I love this, I watch it too many times.

[cottoncandyissweet]

can't help but watch it over and over again.

KATYCATS ftw :)

[KatyCatForever]

Gosh, mine is embarassing lol. The others are all great! #HappyBirthdayKaty!

[tamtamLOVESkaty]

How are you? hahahaha

I watched it SO many times and it's so great. KATYCATS RULE! <3

[godzalekx3]

It's so amazing how many people love her;D

Love You too Katy<3

Happy B-day Sweety!!!

[Power0fFour]

Me in all my muted-ness. PandaBeffi. XD

[Shrl32688]

ha the video came out absolutely amazing!!!

hahaha. i came out supper wack on 4:50.

but somehow i still love it. <3

espcially for MOMMY KITTY!! KATY

[MissMurderGermany87]

HAHAHAA omg this video turned out amazing. some good videos in it :D

HAPPY BIRTHDAY MOMMY <3

[jackiewackie05]

wow im right in the middle. kinda. 5:35! haha.

[MayizPerry]

Together forever!!! =') ilove you!!

[andreacorr555]

damn my sound didnt come out :/ haha - Ifucanaffordme Happy Birthday! <3 you!

[fantatic0mundial]

Happy Birthday KATY!!!!

[stevezaxzax]

HBD KP

[nazbrah]

hahahahah

[MrsDeerLovesKaty]

hahahaha. #HappyBirthdayKaty XD

[cottoncandyissweet]

AWESOMENESS!!!

HAPPY BIRTHDAy

from CottoncandAYYYY

KATAAAAAY

[nerinafalloutboy]

MARUUUUU II LOOVVVEEEE UUU BITTCCCHHH!!!!!!! U ROCK!!AAYYY MARU TE FELICITO SALISTE EN EL VID CASI ME MATO CUANDO LO VI! ah re jajaja enserio besos ! xoxo

[MrsDeerLovesKaty]

LOL. i'm on 1.15 xDDD

[CharlieTheCherry]

OH SHIT I LOVE YOU SO MUCH KATYYYY YOU GAVE ALL MY HEART xP HAPPY MBIRTHDAY!!!!!!!!!!!! :D

[Indigofisch]

Katycats katy katy katy. Happy birthday Katy! :D

[KatyPerryxxAli]

Not in it but ILOVEYOUKATY

amazing video :):)

Katycat love (:

[BagelDog123]

markus saw thisss!!!!!

[recordingchick]

OMG! That's my sister at 1:04 :D Goooo Hiiiisbeethh (: hahaha.

Happy birthday, Katy Perry <3

[MayizPerry]

is amaziiing!!!!!!!!!!

I'm there! haha xD aww!<3

Have a nice Day beautiful Katy!! <3333

[peaxie]

Great video. I like :) Go katykats and Happy Birthday, Katy!

[tamtamLOVESkaty]

KATYCATS ROCK!!!! <3 YOU KATY THX 4 EVERYTHING! I'm 5:20 hahaha ezactly the middle of the vid. Well, almost exactly haha

[Kaytjeeful]

COOL ;D

[InnocentKittyyy]

this video is amazing!

katycats ftw!!!

happy birthday katy!

you're the BEST!

[BagelDog123]

this was so amazeballz<3 i wanted to be in it sooo muchhhhh wah *tear of extreme happiness/jealousness/sadness*

[EvAmyBocuk]

Great idea. I hope she'll watch guys... I love her too. Happy birthday to her <3

[coconutsurvivor03]

YESSS SPREAD ITT!

[GoodEnough4Eva]

WHOOP. I love this.<3

[tamtamLOVESkaty]

What's ur screen name on KPF?

[GoodEnough4Eva]

annebabix3

I look weird there. xD

[BagelDog123]

aw i wanted to be in thiss