Actually, it's a very easy song. Just listen & enjoy ;)

INTRO/CHORUS

E|--------------------------|
B|--------------------------|
G|--------------------------|
D|--2-2-2/88-8-8/55-5-5-55--|
A|--2-2-2/88-8-8/55-5-5-55--|
E|--0-0-0/66-6-6/33-3-3-33--|

VERSE

E|---------------------------------------------------------|
B|---------------------------------------------------------|
G|---------------------------------------------------------|
D|--8/5-5-5-5-5-5--8/5-5-5-5-5-5--8/5-5-5-5-5-5/2-2-2-2-2-2|
A|--8/5-5-5-5-5-5--8/5-5-5-5-5-5--8/5-5-5-5-5-5/2-2-2-2-2-2|
E|--6/3-3-3-3-3-3--6/3-3-3-3-3-3--6/3-3-3-3-3-3/0-0-0-0-0-0|

There is a little riff when the song goes "You Liar" (Im not 100% sure if that is correct)

E|---------------------------------------------|
B|---------------------------------------------|
G|---------------------------------------------|
D|--8/5-5-5-5-5-5--9/6-6-6-6-6-6--8/5-5-5-5-5-5|
A|--8/5-5-5-5-5-5--9/6-6-6-6-6-6--8/5-5-5-5-5-5|
E|--6/3-3-3-3-3-3--7/4-4-4-4-4-4--6/3-3-3-3-3-3|

Intro
Verse
Chorus
"You Liar"
Verse
Chorus
"You Liar"
Chorus
"You Liar"
And... That's it :)