You can sub chords like this (if you wish)

    C#m   C#m    B   B   B    A     A 
e|--0------0-----0---0---0----0-----0---|
B|--2------0-----0---0---0----0-----0---|
G|--6------6-----4---4---4----2-----4---|
D|--6------6-----4---2---4----2-----2---|
A|--4------4-----2---2---2----0-----0---|
E|--x------x-----x---X---2----0-----0---|

Chord placement is a little off, so, listen for the changes.

* = Hold chord

(intro) 2x
C#m   B   A  E

       C#m                     B                         A           E
Let me riddle you a ditty It's just an itty bitty little thing on my mind
        C#m             B                              A         E
'bout a boy and a girl tryin' to take on the world One kiss at a time
        C#m                  B                                A        E
Now the funny thing about it Ain't a story without it But the story is mine
      C#m            B           A          E 
And I wish you could say That it ended just fine

(pre chorus)
B          C#m       A     (stop)
        We all wanna know  how it ends

(chorus)
C#m         A          E                  B
Oh, happily ever after    wouldn't you know, wouldn't you
 C#m      A                   E                B
know? Oh, skip to the ending     Who'd like to know?
            C#m           A              E         B
I'd like to know!  Author of the moment    Can you tell me?
C#m  A       E    B
Do I end up, do I end up

C#m   A   E        B        (stop)
happy?    End up happy?

C#m             B                          A                        E
Inhale, breathe steady, exhale like you're ready If you're ready or not
C#m              B                      A                       E
Just a boy and a girl gonna take on the world, and we wanna get caught
C#m                B                       A              E
In the middle of a very happy ending Let's see what we've got
      C#m       B          A         E
Let's give it a shot Let's give it a shot

(pre chorus)
B      C#m       A    (stop)
    We all wanna know how it ends

(chorus)
C#m         A          E                  B
Oh, happily ever after    wouldn't you know, wouldn't you
 C#m      A                   E                B
know? Oh, skip to the ending     Who'd like to know?
            C#m           A              E         B
I'd like to know!  Author of the moment    Can you tell me?
C#m  A       E    B
Do I end up, do I end up

E  B  A 
happy?
E             B        A     E          B          A
We all have a story to tell  Whether we whisper or yell
E             B         A                          
we all have a story, of adolescence and all it's glory
E             B        A*     
we all have a story to tell

(chorus)
C#m*        A*         E*              B*
Oh, happily ever after    wouldn't you know, wouldn't you
 C#m*     A*                  E*                B*
know? Oh, skip to the ending     Who'd like to know?
            C#m           A              E         B
I'd like to know!  Author of the moment    Can you tell me?
C#m  A       E    B
Do I end up, do I end up
 
E             B        A     E             B        A 
We all have a story to tell  We all have a story to tell
Happy?

E             B        A     E             B        A 
We all have a story to tell  We all have a story to tell

E*            B*       A* 
We all have a story to tell  We all have a story to tell