This is my first tab but i think that its about right.
You can watch her play it at http://www.youtube.com/watch?v=ssB2Dlelv6Y
Capo on 2nd
C-032010
Cadd9-032033
G-320033
F-133211

Chorus:
    C2 (x32010@1)seconds later
      Cadd9your (x32030@1)running back to his arms
Cdo (x32010@1)me a favour
          Gtell (320003@1)me its more than enough
Ctell (x32010@1)me the truth
Cadd9
is he making you happy
Ccan (x32010@1)you make it through
Gtell (320003@1)me honestly

Verse 1:
Ci (x32010@1)know you
Cadd9
you know me
Cwe've (x32010@1)been friends
G (320003@1)for a while and i can see
Cthat (x32010@1)you are fakin
Cadd9
i know you hate it
Cyou (x32010@1)like the idea
G (320003@1)not so much him
C (x32010@1)                 Cadd9he's (x32030@1)good looking, so wealthy
Cbut (x32010@1)theres others opportunities
Ci (x32010@1)can't take it
Cadd9
he treats you like nothing
Cyou (x32010@1)saint he ain't worth it
Gthen (320003@1)you turn around

(chorus)

Verse 2:
Cis (x32010@1)he that perfect?
Cadd9
does he make you smile
Ccan (x32010@1)you show me what
Gis (320003@1)making him worth the while
Cis (x32010@1)he everything 
Cadd9
and his personality
Cdon't (x32010@1)think im getting in between
G (320003@1)                 Fim (133211@1)just protecting you
Gcause (320003@1)you say he aint right then

(chorus)

Bridge:
F (133211@1)                    G (320003@1)         Cadd9i (x32030@1)can't take to see my best friend cry
F (133211@1)                 G (320003@1)      Cadd9you (x32030@1)apparently love him and i wanna know why
F (133211@1)                     G (320003@1)          Cadd9he's (x32030@1)a player - he's a double time dater
Fhonestly (133211@1)he aint right for you
Gfor (320003@1)you