John Mayer XO - Studio Version - Chords by Reason141
CAPO 2
INTRO C CMaj7 F FMaj7 C CMaj7 
F FMaj7

VERSE 1
C CMaj7
Your love is bright as ever Even in the shadows
F FMaj7                                     C CMaj7
Baby, kiss me Before they turn the lights out
C CMaj7
Your heart is growing And I?m crashing into you
F FMaj7                                               C CMaj7
Baby kiss me (kiss me)  Before they turn the lights out
C CMaj7
Before they turn the lights out Oh, baby love me lights out

CHORUS
C                            Am
In the darkest night hour--- I?ll search through the crowd
             F                            G
Your face is all that I see I?ll give you everything
                         C
Baby, love me lights out Baby, love me lights out

VERSE 2
C CMaj7
We don't have forever Baby, daylight?s wasting
F FMaj7                                  C CMaj7
You better kiss me Before time has run out    MmmmmmMmmmMmm
C CMaj7
Nobody sees what we see They're just hopelessly gazing
F FMaj7
Oh, baby take me take me Before they turn the lights out
C CMaj7
Before our time has run out Oh, baby love me lights out

CHORUS
C                         Am
In the darkest night hour I?ll search through the crowd
              F                           G
Your face is all that I see I?ll give you everything
                         C
Baby, love me lights out Baby, love me lights out
C
Oh, you can turn my lights out

HOOK
C
I love you like XO You love me like XO
Am
You kill me girl XO You love me like XO
F                         G
All that I see Give-a you everything
                         C
Baby, love me lights out Baby, love me lights out
C
You can turn my lights out

(Harmonica Instrumental)
C CMaj7 C CMaj7

CHORUS
C                         Am
In the darkest night hour I?ll search through the crowd
             F                            G
Your face is all that I see I?ll give you everything
                         C
Baby, love me lights out Baby, love me lights out
C
Oh, you can turn my lights out

(Instrumental Harmonica Outro)
C CMaj7 C CMaj7

Thanks for viewing. Some others had the lyrics or chords off and I put some time into 
this one so please rate.
Thank you - Reason141