There is another tab for this, I think it's version 2, and he got it mostly right 
except for the A#m. It's supposed to be F#. Here it is:

You can bump a semitone:  G#m -> Am / E -> F / B -> C / F# -> G

Poker Face
by Lady Gaga

G#m: 422444
E: 022100
B: 224442 or 224422 
F#: 244322


1st Verse:

G#m                        E
I wanna hold em' like they do in Texas please

B                                F#
Fold em' let em' hit me raise it baby stay with me (I love it)

G#m                         E
LoveGame intuition play the cards with Spades to start
   
 B                                    F#
And after he's been hooked I'll play the one that's on his heart


G#m                    E
Oh, oh, oh, oh, ohhhh, ohh-oh-e-ohh-oh-oh

B                  F#
I'll get him hot, show him what I've got

G#m                    E
Oh, oh, oh, oh, ohhhh, ohh-oh-e-ohh-oh-oh,

B                  F#
I'll get him hot, show him what I've got


Chorus:
G#m
Can't read my,

E
Can't read my
     
               B
No he can't read my poker face

F#
(She's got me like nobody)

G#m
Can't read my,

E
Can't read my
     
               B
No he can't read my poker face

F#
(She's got me like nobody)

G#m               E
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)

B                 F#
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)


2nd Verse

G#m                                 E
I wanna roll with him a hard pair we will be

B                                       F#
A little gambling is fun when you're with me (I love it)

G#m                                        E
Russian Roulette is not the same without a gun

B                                               F#
And baby when it's love if it's not rough it isn't fun, fun

G#m                    E
Oh, oh, oh, oh, ohhhh, ohh-oh-e-ohh-oh-oh

B                  F#
I'll get him hot, show him what I've got

G#m                    E
Oh, oh, oh, oh, ohhhh, ohh-oh-e-ohh-oh-oh,

B                  F#
I'll get him hot, show him what I've got

Chorus:

G#m
Can't read my,

            E
Can't read my
     
               B
No he can't read my poker face

F#
(She's got me like nobody)

G#m
Can't read my,

E
Can't read my
     
               
B
No he can't read my poker face

F#
(She's got me like nobody)

G#m               E
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)

B                 F#
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)


Bridge:

G#m
I won't tell you that I love you
             E
Kiss or hug you
		                   B
Cause I'm bluffin' with my muffin
                                   F#
I'm not lying I'm just stunnin' with my love-glue-gunning
G#m
Just like a chick in the casino
                  E                                 B
Take your bank before I pay you out

I promise this, promise this
F#
Check this hand cause I'm marvelous

Last Chorus:

Chorus:
G#m                  E
Can't read my,  Can't read my
     
               B
No he can't read my poker face

F#
(She's got me like nobody) x6


G#m               E
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)

B                 F#
P-p-p-poker face, p-p-poker face
(Mum mum mum mah)          X3