HEY! this is my first tab so go easy on me O.K.?
this is Justin Bieber "one time" acoustic version
visit this if you're having second thoughts http://www.youtube.com/watch?v=fRaWDue13nU&feature=fvw 
the me plus you part wasn't part of it but I just like it better with it.

intro:G C92x                                 capO-5th fret
G (320003@1)                        C9me (x3233x@1)plus you I'ma tell you one time
               GI'ma (320003@1)tell you one time
               C9I'ma (x3233x@1)tell you one time
  G (320003@1)                              C9when (x3233x@1)I met you girl my heart went knock,knock
 G (320003@1)                                      C9now (x3233x@1)them butterflies in my stomach won't stop,stop
Geven (320003@1)though is a struggle love is all we got
C9so (x3233x@1)we gonna keep,keep climb'in till the mountain top

pre-chorus:
G (320003@1)                  C9cause (x3233x@1)your world is my world
                  Gand (320003@1)my fight is your fight
               C9my (x3233x@1)breath is your breath

and your heart

chorus:
           G (320003@1)             C9now (x3233x@1)I got my one love my one heart
G (320003@1)              C9 (x3233x@1)                     Gmy (320003@1)one life for sure let me tell you one time (girl I love,girl I love you)
                 C9I'ma (x3233x@1)tell you one time (girl I love,girl I love you)
              G (320003@1)                      C9 (x3233x@1)and I'am be your one guy you'll be my number one girl
         G (320003@1)           C9always (x3233x@1)making time for you
                  Glet (320003@1)me tell you one time (girl I love,girl I love you)
                C9I'ma (x3233x@1)tell you one time (girl I love,girl I love you)

(G,C9 2x)
G  -----------STOP------------ G
you look so deep you know that it humbles me
C9you (x3233x@1)by my side them troubles they don't trouble me
Gmany (320003@1)have called but the chosen is you
C9 (x3233x@1)                                    Gwhatever (320003@1)you want "SHAWTY" I give it to you

pre-chorus:
                         C9your (x3233x@1)world (your world)is my world
                  Gand (320003@1)my fight is your fight
              C9my (x3233x@1)breath is your breath and your heart
G (320003@1)          C9I'm (x3233x@1)not right
                     GOh,let (320003@1)me tell you one time
                C9I'ma (x3233x@1)tell you one time
                   G (320003@1)     C9and (x3233x@1)I'ma be your one guy,number one girl
G (320003@1)              C9make'in (x3233x@1)time for you OOhhoohh
GGirl (320003@1)I love,girl I love you
C9Girl (x3233x@1)I love,girl I love you

Bridge:

G (320003@1)                                          C9"SHAWTY" (x3233x@1)right there she's got everything I need
                               Gand (320003@1)I'ma tell her one time (one time)
                           
I give you everything you need
 C9down (x3233x@1)to my last dime
G (320003@1)                  C9she (x3233x@1)make's me happy I know where I'll be
G (320003@1)                       C9 (x3233x@1)              G (320003@1) C9right (x3233x@1)by your side cause she is the one for me yeah,yeah,yeah
            Gcause. (320003@1). .girl I love,girl I love you
C9girl (x3233x@1)I love,girl I love you

G C9

------STOP!-------
And I'll be there for you
G (320003@1)                          C9girl (x3233x@1)I love,girl I love you girl I love,girl I love you

G C9

C9(one strum{SLOW})
I'll be there for you Oohoohoooh
G (one strum{SLOW}
yeah,yeah