Not sure if it's right but it sounds good.

Intro:
E-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
B-2-2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-|
G-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
D---------------------------------|
A---------------------------------|
E---------------------------------|

Verse:

You think i'm pretty...
E-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
B-2-2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-|
G-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
D---------------------------------|
A---------------------------------|
E---------------------------------|
Before I met you...
E-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-|
B-2-2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-|
G-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
D-0-------------4---2-------------|
A---------------------------------|
E---------------------------------|

Chorus: Same as in the verse or chords:
D, F#m, E

It's not accurate but I think it's close enough and easy to play. Play it a few times 
you'll get the hand of it.