[Dark Matter]

Part of Me was recorded in 2009, well before Till The World End was even written.

[umich]

Ryan Seacrest just said that they will be playing "Part of Me" every hour starting tomorrow

[Santaus]

Originally posted by umichgrad07

Ryan Seacrest just said that they will be playing "Part of Me" every hour starting tomorrow

The radio promo is kicking in.

[Crazy Lights]

Originally posted by umichgrad07

Ryan Seacrest just said that they will be playing "Part of Me" every hour starting tomorrow

Yasss! Just heard him say it too!!

[PurrKaty]

Originally posted by umichgrad07

Ryan Seacrest just said that they will be playing "Part of Me" every hour starting tomorrow

get ready

[Poisonous]

Originally posted by Allie

The Grammy's start in 3 hours. You'll have to wake up at like... 3 AM.

Sis The things we do for The Grammys

[TPG14]

I hope we get the performance within a few commercial breaks! I am CRAVING this song/performance.

[musiclvr86]

The anticipation is killing me! I'm so nervous, like I'm the one performing

[musiclvr86]

She's coming up next!!!

[Poisonous]

Go Katy

[Feather]

YESSS live performance!!!!

[If U Seek Amy]

Amazing performance

[madonnafan18]

Not really impressed with this. :-/ Sounds just like all her others.

[TPG14]

Is it on itunes????

[disorder]

Amazing!!!!!!!!!!!
Hot girl!!!!!!!!!!!
Single on itunes?

[If U Seek Amy]

I dont see it on itunes yet

[Arturdork]

amazing hottt performance!!!!!

[marky cat]

She slayed it!!!!!! Can't wait for it to hit number 1!

[Katy.Kat.23]

I think its on itunes at midnight

[Kaqkavalli]

Sorry for this but AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAADklahsd;ljkahsd;lkhsad'laskdhsakdhasdklashdlkah sd'aslkhdas'ldkhasa'skhd'askhdas'kdhas'dkashdad Im sooo excited