I know this is not bass tab - it is the bass notes. Note, the cords would be similar for 
the most part but the cords do not always follow the bass lines. The C bass note is 
most likely an Ab/C. I have added cords that are known.

Intro: Ab Eb Db Eb (2x)

Verse:
  DbI (x43121@1)remember when my heart
           Abcaught (xx1114@1)the fever
         DbYou (x43121@1)were standing all alone
              Abin (xx1114@1)the summer heat
              DbI (x43121@1)was with my boyfriend, my new boyfriend,
          Ab (xx1114@1)              Ebhe (x43121@3)was as sweet as he could be
    FmOne (133111@1)look at you and I was through
   Ebmy (x43121@3)heart switched up on me

Chorus:
Ab (xx1114@1)                 Eb (x43121@3)            Db (x43121@1)          EbLike (x43121@3)a postcard from Paris when Ive seen the real thing
          Ab (xx1114@1)             Eb (x43121@3)               Db (x43121@1)        EbIts (x43121@3)like finding out your diamond is from an old promise ring
Ab (xx1114@1)                        Eb (x43121@3)                 Db (x43121@1)   C (x32010@1)   BbmCome (x13321@1)back from your fortune teller she read your cards upside down
            Db (x43121@1)           Eb (x43121@3)        AbThe (xx1114@1)meanest thing you ever did is come around
Eb (x43121@3)        Db (x43121@1)        Eb (x43121@3)   Ab (xx1114@1)  Eb (x43121@3)Db (x43121@1)name="chord_x43121@3">Eb
And now Im ruined,   (yeah, yeaheh)        Im ruined

Verse:
       Db (x43121@1)                     AbIn (xx1114@1)the evening you can catch me daydreaming
         Db (x43121@1)                             AbDid (xx1114@1)that moment seemed you real just like me
          Dbshould’ve (x43121@1)gone over, right over,
            Ab (xx1114@1)          EbI (x43121@3)shouldve never let you leave,
             Fm (133111@1)                                    EbBut (x43121@3)its the never knowing that keeps this going and drives me crazy

Chorus:
       Ab (xx1114@1)          Eb (x43121@3)            Db (x43121@1)          EbLike (x43121@3)a postcard from Paris when I’ve seen the real thing
          Ab (xx1114@1)             Eb (x43121@3)               Db (x43121@1)        EbIts (x43121@3)like finding out your diamond is from an old promise ring
Ab (xx1114@1)                        Eb (x43121@3)                 Db (x43121@1)  C (x32010@1)    BbmCome (x13321@1)back from your fortune teller she read your cards upside down
            Db (x43121@1)           Eb (x43121@3)        AbThe (xx1114@1)meanest thing you ever did is come around

Bridge:
FmJust (133111@1)when I thought things were alright
    Db (x43121@1)                    BbmMy (x13321@1)eyes played tricks on my mind
CWell, (x32010@1)will I ever be satisfied cause all I seem to find

Chorus:
       Ab (xx1114@1)          Eb (x43121@3)         Db (x43121@1)          EbIts (x43121@3)a postcard from Paris when I need the real thing
          Ab (xx1114@1)             Eb (x43121@3)               Db (x43121@1)        EbIts (x43121@3)like finding out your diamond is from an old promise ring
     Ab (xx1114@1)                   Eb (x43121@3)                 Db (x43121@1)  C (x32010@1)   BbmCome (x13321@1)back from your fortune teller she read your cards upside down
            Db (x43121@1)           Eb (x43121@3)              Fm (133111@1)           BbmThe (x13321@1)meanest thing you ever did, the cruelest thing you ever did,
            Db (x43121@1)           Eb (x43121@3)         Ab (xx1114@1)   Ebthe (x43121@3)meanest thing you ever did, is come around

Ending:
      Ab (xx1114@1)   Eb (x43121@3)                            Db (x43121@1)   Eb (x43121@3)   (4x)
I am ruined,     (yeah,yeaheh)              Im ruined