Boom boom

[JShahlo]

lmao @ 3:38, somebody was a little too damn excited.

[estevejustin]

suiganme en twitter:@estevejustin

[perichaves]

O que seria da Gaga sem Britney, essa é a verdade!!!

what would be gaga without Britney, this is the truth!!!

lo que sería sin britney gaga, la verdad!!!

uhauihauahuiaiah

[aboutDM]

Her mic is on, that's why sometimes we hear her voice or breath. Also her dance is Legend, like her.

[qwerty7573]

@aboutDM I totally agree!!

[annjblue]

Love the move(wen she shakin her hands):D

[bballkann]

omg this is live!! so good

[selita13]

awesome performance brits a legend live as well

[Cut3gyrl4lyfe]

how does she keep those jeans up!!!

[Gillie4eva]

great

[Bananainyourear14]

she actually sang this live!!! good job brit.

[pinapplemangobananna]

Sort of live. she still had the track playing, but at least her mic was on too.

[chrisbrynne]

she always sings live.

[Bananainyourear14]

have you lost you mind! no she doesn't!

[Sleave4brit]

siii!!! algunas partes son en vivo, se puede oir la pista detras pero realmente estaba cantando y lo hacia muy bien.

We love you Brit!!

[realkally]

watch mi video about this song =D try to do the coreography ;D

[jmedeiros64]

ledgend.

[andreishi]

good song,good times for britney,always my favorite singerrr!!! I love u brit!!!!

[SophiaLoly]

óla!!! Eu sou da Argentina é meu encantar BRITNEY!!!! Tchau

[popsingerstar]

the ying yang twins suck but i luv britney! go britney! i luv u!

[babydalove]

yeah she is singing you can tell thats why i think its so stupid when people say she doesn't sing live!

[Jennysoton1015]

great performance~ her live voice was good too, she was really singing, wasn't she?

[mustangz2001]

love you brit! best dancer than shitina christina!

from the phils.

[turnuon79]

this may be her sexiest performance in all times

[avrilrocks007]

Britney is great i get chills from this everytime i watch it she is the best!! and this year she´s gonna rock the world again!!

Go Brit!!

love, from Lima Peru

[barbee727]

this is when she had it all && when she was at her best...i hope there's more of this britney to come...

[deejayrbf]

great performance, hot music. go ahead girl! xD

[Cina331]

i love this song

[DeluxeBiatch]

hot,ver5y,very nice girl. peace sarah

[abdulnafie]

her name is Britney Spears

LOL

[Katiesue888]

I remember watchin this on tv. =) I loved it!!

[enigmahf]

bueno ya es oficial con esta cancion declaro que me gustan los 5 cd de estudio de brit o dios :P:P:P

[Gillie4eva]

the best performance of boom boom

[Moniababylove]

DAMN I LOVE HER!!!!!!!!!!!

[jhose8t]

definitely she's the best!

i love her! Go Brit!

[DarkJacky85]

THIS IS BRITNEY!!!

Sexy with every movement, smiling while she sings.

It's very sad what happened to her, she was pure entertainment

[bbcakes123]

i agree xx

[Trinity1sle]

Dat was hotness! I've never heard her perform a fast song live before!! Dat was really good. I cnt wait untill she's back doin this.

[britt0009]

hot!!!

[britneybeline]

she's amazing!!!

[mellamojesusromero]

great ;D

[Necretia]

this song is fucking AMAZING !!!

[xvanessahudgensfanx]

omg she waas soo greeeaat

but i think shes still aweesome!!!

luv her new album blackout

[AAZ0328]

yes!!!

she is atleast singing live

[LIN930]

I know can you hear her breathing so heavy! :( I feel bad for her! HA HA!! If you can't check out the performance right before this MATM! She was breathing soo hard then!! lol

[Martisek101]

she is sooooooooooooooo gorgeus..!!!!

[hiroshiro]

I MISS this girl BADLY, I mean, THIS britney spears

[LIN930]

She's on her way!! :) I am so excited!! LOVE HER!!

[ETOEPATODOS]

love this song!!!!!!!!!!!!!!!!!!!!!!!!!!­!!!!

[diegorip]

her pants are going to fall in any minute...HELL YEAH!

[jb6255]

I loooove her dance, the song, the clothes, the ying yang twins... love all :)

[yanike]

AWESOME SONG