(Usher:)
There's always that one person
That will always have your heart
You'll never see it coming
Cause you're blinded from the start
Know that you're that one for me
It's clear for everyone to see
Oh baby oh you'll always be my boo

(Alicia:)
I don't know about you'll
But I know about us and ouh
This is the only way
We know how to rock
I don't know bout you'll
But I know about us and uh
This is the only way
We know how to rock

(Usher:)
Do you remember girl
I was the one who gave you your first kiss
Cause I remember girl
I was the one who said put your lips like this
Even before all the fame and
People screaming your name
Girl I was there when you were my baby

{Refrain:} (Usher:)
It started when we were younger
You were mine (my boo)
Now another brother's taken over
But it's still in your eyes (my boo)
Even though we used to argue
It's alright (my boo)
I know we haven't seen
Each other in a while
But you will always be my boo

(Alicia:)
I was in love with you
When we were younger
You were mine (my boo)
When I see you from time to time
I still feel light (my boo)
No matter how I try to hide
Even though there's another man who's in my life
You will always be my boo

Yes I remember boy
'Cause after we kissed
I could only think about your lips
Yes, I remember boy
The moment I knew
You were the one I could
Spend my life with
Even before all the fame
And people screaming your name
I was there and you were my baby

{au Refrain}

(Alicia:)
I was in love with you
When we were younger
You were mine (my boo)
When I see you from time to time
I still feel light (my boo)
No matter how I try to hide
Even though there's another man who's in my life
You will always be my boo

(Usher:)
My ooh, my ooh, my ooh, my ooh, my boo

(Alicia:)
My ooh, my ooh, my ooh, my ooh, my boo

{au Refrain}

(Alicia & Usher:)
I don't about you'll
But I know about us and uh
It's the only way we know how to rock
I don't about you'll
But I know about us and uh
It's the only way we know how to rock