"Let's Do It Again"
I played these chords by ear, but I think it sounds the same. Hope its helpful. These 
chords goes throughout the whole song. And it sounds better with barre chords. Take Care


Chords: C G Am Em F G


[Intro]

C     G
 Uhhh babyyy yeahhhhh

 Am       Em                F
Yeahhhhhh yeahhh yeahh yeah yea ayyy

C       F        G
 Na nanaaaanan ayy


[Chorus:]
C                     G                Am
 Nice to nice to know ya let?s do it again

        Em                      F
 How we did it in on a one night stand

          C                  F          G
 Girl I wanna be more than a friend, to you

C                     G                Am
 Nice to nice to know ya let?s do it again

         Em                     F
 How we did it in on a one night stand

          C                  F          G
 Girl I wanna be more than a friend, to you


And then continue on with the same chords. Enjoy !