I tried unsuccessfully to find the chords to this song, so here's what I could figure out.

Easy enough to figure out the picking styles in the different parts of the song. 

Hope it helps, happy to hear of any changes needed. Cheers, Kat :)

              Am        F
You got a new girlfriend
    G
But I still love you
  Em
I can't stand the thought of her
F	          Am    F    G    Em    F
Having a piece of you

                  Am   F   E	
What she got that I don't?
                 Am   F   E	
What she do that I won't?
            Dm     Bb     C
You must be blind
    	                                Dm     Bb     C
Take a good look at her, she's not your kind

I don't know what I'd do
     C7
If I saw her with you

    F    Dm      F     Dm
I'm jealous, I'm jealous,
    Bb       C	       Dm
I'm jealous, out of my mind

                  Am     F
I come 'round and see you
 G
'Cause I want to remind you
    Em
But what if she's there
F	             
How would I find you

         Am     F
You've got a new baby
    G
But I want you back again
    Em
I'm liable to do anything
F	             
I might kick her face in

                  Am     F     E	
What she got that I don't?
                 Am     F     E	
What she do that I won't?
            Dm     Bb     C
You must be blind
    	                                Dm     Bb     C
Take a good look at her, she's not your kind

I don't know if we're through
    C7
I'm devoted to you

    F      Dm    F     Dm
I'm jealous, I'm jealous,
    Bb       C         Dm
I'm jealous, out of my mind

       C	                 Dm
And it hurts, and it hurts right here
           C             Dm
In my heart, is a bloody tear
               Bb	    C
I thought that you, were so sincere
                 Bb	                   A
You got what you wanted, and you got outta here
                        Dm         Bb      A    
Whoah, You've got a new girlfriend 

Dm     Bb     A

Bb      C     Bb      A

    	             Dm     Bb           
Oh, You've got a new girlfriend
    C
But I still love you
  Am
I can't stand the thought of her
Bb 	          C
Having a piece of you
    F    Dm      F     Dm
I'm jealous, I'm jealous,
    Bb	     C	       F      Dm  
I'm jealous, out of my mind
    F      Dm    Bb	 
I'm jealous, I'm jealous,
C         Dm       
out of my mind