There are a few harmonizations that the current version doesn't include, so I've 
added them in here.

Intro: D, Cadd9, D, G, D, Cadd9, 
Cadd9, G

D         Cadd9   D     G
Hark the herald angels sing
D       Cadd9     G
But not for us my dear
D       Cadd9     D     G
I can't recall a single thing
D       Cadd9          G
Worth celebrating this year
F#                  G(barred)
Watch the clock and pace the floor
F#               Em
Shut my eyes and slam the door
F#
Tear down the lights
 Gm
We don't need them anymore...

G(barred)          D           Bm         D     G
  Christmas morning is here again  (Woah Woah)
       D               Bm          D     G
I'm choking back all my tears again (Woah Woah)
        D               F#              
I won't last through the year again
Bm         G
Without you...
                                    A        D
Here's to wishes that'll never come true

D   A   G   D x2

D           Cadd9     D     G
Holy night, the stars shine bright
D             Cadd9          G
Left my heart underneath the tree
D         Cadd9      D    G
You won't be home to open it
D           Cadd9          G
So I'll put it back inside me

F#                  G*
Watch the clock and pace the floor
F#               Em
Shut my eyes and slam the door
F#
Tear down the lights
  Gm
We don't need them anymore...


G(barred)          D           Bm         D     G
  Christmas morning is here again  (Woah Woah)
       D               Bm          D     G
I'm choking back all my tears again (Woah Woah)
        D               F#
I won't last through the year again
Bm        G
Without you...
                                    A        D
Here's to wishes that'll never come true

G          D           Bm         D     G
  Christmas morning is here again  (Woah Woah)
       D               Bm          D     G
I'm choking back all my tears again (Woah Woah)
        D               F#
I won't last through the year again
Bm        G
Without you...
                   G        A                       Bm
Here's to wishes that'll never come true
Em             G                   A                Bm
   Here's to wishes that'll never come true
Em          G                   A                D
   Here's to wishes that'll never come true...

D Cadd9 D G
D Cadd9 D

Happy Holidays!