¿Qué canción es ?¿Y quién es su autor?

(_____ wooaahhh) x3

You _____ you love me
I know you _____
____ shout _________

And I'll be there
You _____ my love
You want my______
And we would _______, ever, ______ be _____

Are we an ____?
_____ quit ______'
We're ______ ________,
What are you _____'?
Said there's _______ as you look right in my _____
My first ____, broke my ____ for the first time

And I was like
_____, _____, ____ ooh
Like
_____, ______, ______ noo
Like
______, ____, ____ ohh
I thought you'd ______ be _____ (mine)
____, ____, _____ ohh
Like
____, ____, ____ noo
Like
_____ ____, ______ ohh
I _________ you'd always ____ mine (______)