Ok, so i tried my best to figure the chords to this song, so im sorry if its not the
one. But im pretty sure these are close to perfect! Hope you enjoy!
Send me a message for any questions. The chords are pretty much self-explainatory. :) 
to a acoustic version of this song so you can hear how the strumming is.

Capo on 5th Fret

Intro G C x4

Verse:
GGreat (320003@1)             CFake (x32010@1)plastic Mistletoe
             GWrap (320003@1)me in a great big bow
            CAnd (x32010@1)tear me apart
GIt's (320003@1)Christmas time
               CSo (x32010@1)open up the flood gates
             GTell (320003@1)me that you'll be late
           CAnd (x32010@1)rip me apart

Pre-Chorus:
Em (022000@1)                D (xx0232@1)                         CCause (x32010@1)you say that, you say that things will be alright
Em (022000@1)                 D (xx0232@1)                     CBut (x32010@1)I've heard that, I've heard that so many times and I know that..

Chorus:
GIt's (320003@1)not Christmas if the snow don't fall
CAnd (x32010@1)I'm still standing here 3 feet small
EmLose (022000@1)our troubles because after all
CIt's (x32010@1)Christmas time

Verse:
GCold (320003@1)             CIcing (x32010@1)on the walkways
              GSlip (320003@1)into the games we play
              CWe're (x32010@1)falling apart

GA (320003@1)great big house
                   CThat's (x32010@1)made out of ginger bread
                GCrumbles (320003@1)to the ground
               CWe're (x32010@1)breaking apart

Pre-Chorus:
Em (022000@1)               D (xx0232@1)                           CBut (x32010@1)you said that, you said that things would be alright
Em (022000@1)                 D (xx0232@1)                     CBut (x32010@1)I've heard that, I've heard that so many times and I know that


Chorus:
GIt's (320003@1)not Christmas if the snow don't fall
CAnd (x32010@1)I'm still standing here 3 feet small
EmLose (022000@1)our troubles because after all
CIt's (x32010@1)Christmas time

Bridge:
GAnd (320003@1)I've been waiting for you to come
         CAnd (x32010@1)it's hard cause I feel so alone
           EmAnd (022000@1)I just want you to come home

GAnd (320003@1)I've been waiting for you to come
         CAnd (x32010@1)it's hard cause I feel so alone
           EmAnd (022000@1)I just want you to come home

Chorus x2 (Repeat twice):
GIt's (320003@1)not Christmas if the snow don't fall
CAnd (x32010@1)I'm still standing here 3 feet small
EmLose (022000@1)our troubles because after all
CIt's (x32010@1)Christmas time


GIt's (320003@1)Christmas time again
    CAnd (x32010@1)all your friends, all your friends
    EmAre (022000@1)smiling
C (x32010@1)                  G(to (320003@1)end song)
It's Christmas time