Usher intro : There's always that one person that will always have your heart you'll never see it coming cause your blinded from the start know that you're that one for me it's clear for everyone to see ohh baby ooh you will always be my boo.

Alicia intro : See I don't know bout cha'll but i know about us and uh it's the only way we know how to rock(repeat)

Usher verse : 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 and you were my baby .

Chorus: It started when we were younger you were mine ( my boo )
Now another brother's takin over but it's still in your eyes ( my boo )
Even though we used to argue its alright ( my boo )
I know we haven't seen each other in awhile but you will always be my boo

Alicia: I was in love with you when we were younger you were mine (my boo ) and I see it from time to time I still feel like ( my boo )
and I can see it no matter how I try to hide( my boo )Even though there's another man whose in my life you will always be my boo

Alicia verse: 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 whole life with even before all the fame and people screaming your name I was there and you were my baby

Chorus: It started when we were younger you were mine ( my boo )
Now another brother's takin over but it's still in your eyes ( my boo )
Even though we used to argue its alright ( my boo )
I know we haven't seen each other in awhile but you will always be my boo

Alicia : I was in love with you when we were younger you were mine ( my boo)
And I see from time to time I still feel like ( my boo)
and I see it no matter how I try to hide ( my boo )
Even though there's another man who's in my life you will always be my boo

Usher: My oh my oh my oh my oh my boo

Alicia: My oh my oh my oh my oh my boo

Chorus: It started when we were younger you were mine ( my boo )
Now another brother's takin over but it's still in your eyes ( my boo )
Even though we used to argue its alright ( my boo )
I know we haven't seen each other in awhile but you will always be my boo

Usher and Alicia : I don't know bout cha'll but I know about us and uh its the only way we know how to rock ( repeat)