I noticed no one had submitted this yet so here goes.
Pretty easy :) In the chorus I think it sounds great with the Fm
 but I don't think this is played in the original song..
Enjoy this!

Intro:
F
Oh, Madonna, Madonna
Ab
Oh, Madonna, Madonna
Bb
Oh, Madonna, Madonna
C

Verse 1:
F
I don't miss you

just who
    Cm
you used to be
F
and you don't ring true

so please
     Cm
stop calling me
Eb
Your "I love you"'s

are ten a penny
Ab
You're dropping clues

like you've got any
Eb
You got to choose
                     Bb
There's been so many ohhhh

Chorus:
Bb         Ab
I love you baby
(Fm)                Bb
but face it she's Madonna
Bb        Ab
No man on earth
(Fm)                      Bb
could say that he don't want her
Bbm
This look of love

says I'm leaving
Ebm
you're frozen now

I've done the freezing
C#
I'm walking out
                 Ab
Madonna's calling me

F - Cm

Verse 2:
F
She's got to be
           Cm
obscene to be believed
F
That's her routine
             Cm
Not what she means to me
Eb
I found myself

by circumstance
Ab
Across a room

where people dance
Eb
And quite by chance
                       Bb
she' danced right next me

Chorus:
Bb         Ab
I love you baby
(Fm)                Bb
but face it she's Madonna
Bb        Ab
No man on earth
(Fm)                      Bb
could say that he don't want her
Bbm
It's me not you

I've got to move on
Ebm
You're younger too

but she's got her groove on
C#
I'm sorry love
                 Ab
Madonna's calling me


F
Oh, Madonna, Madonna
Ab
Oh, Madonna, Madonna
Bb
Oh, Madonna, Madonna
C
F - Cm - F - Cm

Verse 3:
Eb
We're having drinks

with Kate and Stella
Ab
Gwyneth's here

she's brought her fella
Eb
But all I wanna do
                Bb
is take Madonna home

Chorus:
Bb         Ab
I love you baby
(Fm)                Bb
but face it she's Madonna
Bb        Ab
No man on earth
(Fm)                      Bb
could say that he don't want her
Bbm
It's me not you

I've got to move on
Ebm
You're younger too

but she's got her groove on
C#
I'm sorry love
                 Ab
Madonna's calling me