Pretty simple, sounds best played as bar chords 
so it's mildly tricky but it's the same 
chord progression for all the sung parts of the song.

I think this sounds the most accurate, no capo.

The rhythm goes something like this:

1     +    2     +     3     +     4 
                          
                               


[Intro]     x2

[Pre-Chorus]

            
They can imita

        
te you
              
But they can't

               
 duplicate you
              
Cause you got 

           
something spec

          
ial
              
That makes me 

             
wanna taste yo

      
u
              
I want it all 

            
day long
              
I'm addicted l

                 
ike it's wrong
              
I want it all 

            
day long
              
I'm addicted l

                 
ike it's wrong

[X2] (Second time don't play the last  or )


[Chorus]

Whatcha gon
Whatcha gon do with that dessert
... 
Murder that, murder that
Dancefloor, dancefloor
... 
Murder that
Murder that
Murder that


[Verse 1]

              
Are you saving

           
 that dessert 

       
for me?
              
Cause if you a

              
re baby, You k

              
now you could 

           
work for me
              
The way you do

            
 it causing je

          
alousy
              
But you don't 

              
ever gotta wor

             
ry about the e

         
nemy
              
They try to do

                  
 it like you
              
And they get m

              
ad cause they 

              
don't do it su

              
ccessfully
              
They try to co

                 
py your moves
              
But they don't

              
 never ever do

             
 it that taste

      
fully


[Pre-Chorus]

            
They can imita

        
te you
              
But they can't

               
 duplicate you
              
Cause you got 

           
something spec

          
ial
              
That makes me 

             
wanna taste yo

      
u
              
I want it all 

            
day long
              
I'm addicted l

                 
ike it's wrong
              
I want it all 

            
day long
              
I'm addicted l

                 
ike it's wrong
[X2] (Second time don't play the last  or )


[Chorus]

Whatcha gon
Whatcha gon do with that dessert
... 
Murder that, murder that
Dancefloor dancefloor
 
Whatcha gon
Whatcha gon do with that dessert
 
Murder that
Murder that
Murder that


[Verse 2]

              
Are you saving

           
 that dessert 

       
for me?
              
Cause if you a

              
re baby, You k

              
now you could 

           
work for me
              
The way you do

            
 it causing je

          
alousy
              
But you don't 

              
ever gotta wor

             
ry about the e

         
nemy
              
They try to do

                  
 it like you
              
And they get m

              
ad cause they 

              
don't do it su

              
ccessfully
              
They try to co

                 
py your moves
              
But they don't

              
 never ever do

             
 it that taste

      
fully


[Outro]

            
They can imita

        
te you
              
But they can't

               
 duplicate you
              
Cause you got 

           
something spec

          
ial
              
That makes me 

             
wanna taste yo

      
u


              
I want it all 

           
day long, all 

 
day long, 
             
all day long, 

                          
all day... 
              
I want it all 

           
day long, all 

 
day long, (ech

o)

             
Watcha gon wat

    
cha gon do wit

h that dessert

!