One direction London signing singing happy birthday to niall

[@ItsJustGeorgia]

Awwwwwwwww, when he picks up Niall!
So much Ziall!

[@nathaliesounakhen8903]

I love it when Niall hugs them 

[@XoXaoifeXoXo]

This is sooo sweet!! almost made me cry! Their group hug at the end! :')

[@loveeonedirectionn]

the moment when they hug each other

[@caityk07]

THE HUG OH MY GOD. THESE BOYS :')

[@XoXaoifeXoXo]

LOVE You Niall!!!!

[@NiallsPotatox]

My birthday is on the same day as Niall's ((:♥

[@1996Random]

HAHA at the end wen niall says "thanks for buying the single, lets make it number 1" sumone shouts out "it already is!" lmao this video is so cute btw

[@carolinaguxens7331]

10 years later, Niall this year have 28😭😭😭😭😭😭

[@fabbyleen123]

OMG is so wonderful, I love it !!!!!!!!!!!!!!

[@LamTran1195]

They're so cute AAAA xx

[@MsTheCeci]

sooo sweet!!!! **

[@oneDirection1Harry1]

Awww I love how they hug

[@mariapayne9706]

Aaaawww so cuuuttteeee :)

[@ManuBieberSmile]

awww i love u

[@Thexonedirectionx1]

Awwww group hug

[@ashleylotzgesell2972]

Happy birthday niall

[@123callmemaybe]

2 years later.. he's 20 :') so proud of this lil irish boy :((((

[@reutbachar1974]

well, now he's 28

[@RoseMckenzieKimball1]

1D bond

[@onedirectionslover]

thats so cute(a)

[@TheMstweet]

i found myself smiling when i finished this

[@CheeseBeadles]

Residents of Narnia LOVES YOU NIALL! :D Happy (early) BIRTHDAY!

[@chattyfm]

Awwww this was after i left!!! BEST DAY EVERRRRR :D

[@MsLolagurl]

Omg I just died that was so effing cute

[@irishluver4780]

i luv u niall u are so cute

[@xXxAsh1D]

I AM GETTING EMOTIONAL

[@caamilaa97]

Happy Birthday Niall ♥ dddddddios son muy hermosos los amo

[@FANofJB2006]

oh-mah-gunnesssssss ♥♥♥

[@cocoavilas]

I love u nial awwewwww

[@lizreyessolis]

my beautiful Nialler!

[@soooperfries]

AW NIALL I LOVE YOU ALL THE WAY FROM NARNIA

[@codyandashley1314]

I LOVE U NIALL!!!! :D

[@Claumil20]

OMG QUE TERNURAAAAAA ME MUEROOOOOOOOO :')

[@noamsarsha]

HAPPY BIRTHDAY NIALL!!!!!!!!!!!!! WE LOVE U IN ISRAEL xx

[@babiielmoolovesyuh]

It's cute how my birthday is on the 13 of September and so is my husband Niall -3-3

[@macyhufford5193]

3 years later nialler is 21 awe

[@VitorcesarSoares]

Oiiiiii ❤❤❤❤❤❤❤❤❤❤❤

[@aNa93935]

NIAAAAAAALLL*-*

[@dudeatmosphere]

i love how his birthday is the 13th of september and so is mine

[@shelbsmckenna]

sept 17 look at the video happy birthday niall.3PG it says sept 17 2011!

[@barbiejb1]

aww Tumblr girls send me here :)

[@4lyfparawhore]

@1996Random that was me :') ahahaha

[@shelbsmckenna]

his is sept 17th!!

[@btrlovereliz]

I think niall has the same birthday month as me my bday is september 14

[@MrsTomlinson33]

And now... He's 20

[@Freyja007]

@@tala6332 and now he is 27

[@SanySisters]

his birthdays the 13th

[@HalfyJ]

No its not its the 13th

[@kittykat6187]

OMG he says thank you not tank you :( NOOOOOOOOOOOOOOOO he's loosing his irish accent :(

[@Forever1DBelieber]

ok so WTF?! am i the only one who noticed that niall said THANKS not TANKS???
he's losing his irish accent! :(

[@cocoavilas]

Fuuuuuuiuuuiuuuck