Hey! There are a few other tabs for this song that sound really good, but they aren't
chords Justin plays in the song.
So, i tabbed out the chords so they're easiest to play! Hope you like it! Email me or 
with questions!
:)

   F (133211@1) Fsus (113311@1) C# (x43121@1)C#sus   A#m (x13321@1)A#7sus  G# (xx1114@1)G#sus
|--1--|--1--|--1--|--2--|--1--|--1--|--4--|--4--|
|--1--|--1--|--2--|--2--|--2--|--4--|--4--|--4--|
|--2--|--3--|--1--|--1--|--3--|--1--|--5--|--6--|
|--3--|--3--|--3--|--0--|--3--|--3--|--6--|--6--|
|--3--|--3--|--4--|--4--|--1--|--1--|--6--|--6--|
|--1--|--1--|--0--|--0--|--1--|--1--|--4--|--4--|

Intro - F  Fsus

F (133211@1) Fsus (113311@1)  C#C#sus (x43121@1) Oh woahh,

C#  C#sus   A#m   A#7sus
Oh woahhhh

A#m   A#7sus  G#   G#sus  G#
oh woahh,

F# (244322@1)           C#I (x43121@1)know you love me
           A#mI (x13321@1)know you care
             G#And (xx1114@1)I would never,
        F#not (244322@1)be there
            C#You (x43121@1)are my love
           A#mYou (x13321@1)are my heart
            G#And (xx1114@1)we would never,
                   F#ever, (244322@1)ever be apart

            C#Are (x43121@1)we an item?
            A#mGirl (x13321@1)quit playin'
                G#We're (xx1114@1)just friends,
                F#What (244322@1)are you sayin'
      C# (x43121@1)              A#mTake (x13321@1)another look right in my eyes
  G# (xx1114@1)                                            F#My (244322@1)first love, broke my heart for the first time

F#And (244322@1)now I'm like
C#Baby, (x43121@1)baby, baby noo

I'm like
A#mBaby, (x13321@1)baby, baby noo

I'm like
F#Baby, (244322@1)baby, baby noo
     G# (xx1114@1)                    F#I (244322@1)thought you'd always be mine (mine)
C#Baby, (x43121@1)baby, baby noo

I'm like
A#mBaby, (x13321@1)baby, baby noo

I'm like
F#Baby, (244322@1)baby, baby noo
     G# (xx1114@1)                 F#I (244322@1)thought you'd always be mine

      C# (x43121@1) C#sus    C# (x43121@1)   C#sus
For you, I would have done whatever
                  A#m (x13321@1) A#sus7   A#m (x13321@1) A#sus7
and no i can't believe we're not together
                  G# (xx1114@1) G#sus
And I'm gonn' play it cool
      G# (xx1114@1) G#sus
While I'm losin you
            F# (244322@1)F#sus
I'll buy you anything
          F# (244322@1) F#sus
I'll buy you any ring
         C#C#sus (x43121@1)Cause I'm in pieces
   C# (x43121@1)C#sus
baby fix me
    A# (x1333x@1)           A#sus            A# (x1333x@1)     A#sus
shake me til' you can wake me from this bad dream
     C# (x43121@1)C#sus     C#C#sus (x43121@1)I'm goin down, down, dooown
           G# (xx1114@1)                                   F#and (244322@1)I just can't believe my first love won't be around.

(Chorus - chords the same)
And I'm like
Baby, baby, baby noo
I'm like
Baby, baby, baby noo
I'm like
Baby, baby, baby noo
I thought you'd always be mine (mine)
Baby, baby, baby noo
I'm like
Baby, baby, baby noo
I'm like
Baby, baby, baby ohh
I thought you'd always be mine

C# (x43121@1) C#sus    C# (x43121@1) C#sus
You can give me all of your love
A#   A#sus7  A#   A#sus7
just this time it wont be enough
F#   F#sus   F#  F#sus
Nobody told me this day would come
G#Now (xx1114@1)I'm all gone
C#  C#sus  C#  C#sus
You can give me all of your love
A#   A#sus7   A#  A#sus
just this time it wont be enough
F# (244322@1)          G# (xx1114@1)             F#Nobody (244322@1)told me this day would come

And I was like
C#Baby, (x43121@1)baby, baby noo

I'm like
A#Baby, (x1333x@1)baby, baby noo

I'm like
F#Baby, (244322@1)baby, baby noo
    G# (xx1114@1)                        F#I (244322@1)thought you'd always be mine (mine)

C#Yeahh, (x43121@1)yeah, yeah
A#Yeahh, (x1333x@1)yeah, yeah
F#Yeahh, (244322@1)yeah, yeah

Yeahh, yeah, yeah

Yeahh, yeah, yeah
         G# (xx1114@1)                 F#Now (244322@1)I'm all gone, gone, gone, gone
     C#I'm (x43121@1)gonee