I know the E's in the intro should've been a bit lower but I couldn't figure it out..
Anyway I think this works just fine.. :)

Intro:
e |-------------------------------------------------------------------|
B |-------------------------------------------------------------------|
G |-------------------------------------------------------------------|
D |-------------------------------------------------------------------|
A |-----------------0-2-0-----------------0-2-0---------------0-2-0---|
E |---0-0-0-0-0-0-0-------0-0-0-0-0-0-0-0-------0-0-0-0-0-0-0---------|

Verse 1:
Em (022000@1)        G (320003@1)            AmThis (x02210@1)was never the way I planned
     CNot (x32010@1)my intention
Em (022000@1)      G (320003@1)             AmI (x02210@1)got so brave, drink in hand
      CLost (x32010@1)my discretion
Em (022000@1)         G (320003@1)          AmIt's (x02210@1)not what, I'm used to
      C (x32010@1)          EmJust (022000@1)wanna try you on
        G (320003@1)         AmI'm (x02210@1)curi-ous for you
        CCaught (x32010@1)my attention

Chorus:
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl and I liked it
                   CThe (x32010@1)taste of her cherry chapstick
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl just to try it
                CI (x32010@1)hope my boyfriend don't mind it
Em (022000@1)         GIt (320003@1)felt so wrong
            AmIt (x02210@1)felt so right
               CDon't (x32010@1)mean I'm in love tonight
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl and I liked it     (Hey)
C (x32010@1)   And I liked it

Verse 2:
Em (022000@1)        G (320003@1)             AmNo, (x02210@1)I don't even know your name
    CIt (x32010@1)doesn't matter, 
Em (022000@1)         G (320003@1)        AmYou're (x02210@1)my experimental game
      CJust (x32010@1)human nature, 
Em (022000@1)         G (320003@1)            AmIt's (x02210@1)not what, good girls do
     C (x32010@1)               EmNot (022000@1)how they should behave
            G (320003@1)         AmMy (x02210@1)head gets so confused
     CHard (x32010@1)to obey


Chorus:
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl and I liked it
                   CThe (x32010@1)taste of her cherry chapstick
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl just to try it
                CI (x32010@1)hope my boyfriend don't mind it
Em (022000@1)         GIt (320003@1)felt so wrong
            AmIt (x02210@1)felt so right
               CDon't (x32010@1)mean I'm in love tonight
Em (022000@1)        G (320003@1)               Am'cause (x02210@1)I kissed a girl and I liked it    (Oh Yeah)
C (x32010@1)   And I liked it

Bridge:
Em (022000@1)        G (320003@1)         AmUs (x02210@1)girls we are so magical
                C (x32010@1)            EmSoft (022000@1)skin, red lips, so kissable
           G (320003@1)            AmHard (x02210@1)to resist so touchable
           CToo (x32010@1)good to deny it
Em (022000@1)          G (320003@1)            Am (x02210@1)  CAin't (x32010@1)no big deal, it's innocent

Chorus:
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl and I liked it
                   CThe (x32010@1)taste of her cherry chapstick
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl just to try it
                CI (x32010@1)hope my boyfriend don't mind it   (Yeah)
Em (022000@1)         GIt (320003@1)felt so wrong
            AmIt (x02210@1)felt so right
               CDon't (x32010@1)mean I'm in love tonight
Em (022000@1)        G (320003@1)               AmI (x02210@1)kissed a girl and I liked it    (Hey)
C (x32010@1)              B (x2444x@1)   And I liked it
C (x32010@1)           BYeah (x2444x@1)I liked it
C (x32010@1)        (G   B)   EmMmm (022000@1)I liked it