This song is very simple to learn. I actually learned it playing around after learning Notice Me.

E|----------------------------------------------------------------------|
B|----------------------------------------------------------------------|
G|----------------------------------------------------------------------|
D|----------------------------------------------------------------------|
A|----------------------------------------------------------------------|
E|--2-2-2-2-4-4-4-4-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-10-10-10-10-9-9-9-9-|
                      (Estimate how many times you
                               strum this) ^

E|----------------------------------------------------------------------|
B|----------------------------------------------------------------------|
G|----------------------------------------------------------------------|
D|----------------------------------------------------------------------|
A|----------------------------------------------------------------------|
E|--2-2-2-2-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-|

[Repeat throughout song]