Liam: 

Hey girl I'm waiting on ya,I'm waiting on ya 
c'mon and let me stick you out 
and have a celebration,a celebration,the music up the windows down 

Zayn: 
Yeah,we'll be doing what we doing,let's pretend that we're cool 
'cause we know we're too 
Yeah,we'll be doing what we doing,let's pretend that we're cool 'cause tonight 
 [bad word]  
Let's go crazy,crazy crazy till we see the sun 
I know we only met but let's pretend it's love 
We'll never ever stop not for anyone 
Tonight let's get some and live while we're young 
oh oh oh oh oh oh oh 
and live while we're young 
oh oh oh oh oh 
tonight let's get some 

Harry: 
and live while we're young 

Zayn: 
hey girl it's now or never,it's now or never 
don't know what think just let it go 
and if we get together,let's get together,don't let the pictures leave it 

Niall: 
Yeah,we'll be doing what we doing,let's pretend that we're cool 
'cause tonight 
 [bad word]  
Let's go crazy,crazy crazy till we see the sun 
I know we only met but let's pretend it's love 
We'll never ever stop not for anyone 
Tonight let's get some and live while we're young 
oh oh oh oh oh oh oh 
and live while we're young 
oh oh oh oh oh 
tonight let's get some 

Harry: 
and live while we're young 

Zayn 
and girl you and I we're about to make some memories tonight 

Louis 
I wanna live while we're young,we wanna live while we're young 
Let's go crazy,crazy crazy till we see the sun 
I know we only met but let's pretend it's love 
We'll never ever stop not for anyone 
Tonight let's get some and live while we're young 
oh oh oh oh oh oh oh 
and live while we're young 
oh oh oh oh oh 
tonight let's get some 

Harry 
and live while we're young