This tab sounds just like the performance she does 
not the pitch changed songs on you tube!

enjoy!

Into/Verse
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|----------------------7-------5--------------------------------------|
D|------3-------8-------7-(x8)--5-(x8)---------------------------------| x2
A|------3-(x8)--8-(x8)--5-------3--------------------------------------|
E|------1-------6------------------------------------------------------|

Pre-Chorus
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|---------------------------------------------------------------------|
D|-----4~-----8~-------------------------------------------------------| x2
A|-----4~-----8~-------------------------------------------------------|
E|-----2~-----6~-------------------------------------------------------|

Chorus & Post-Chorus
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|----------------------7-------5--------------------------------------|
D|------3-------8-------7-(x8)--5-(x8)---------------------------------| x2
A|------3-(x8)--8-(x8)--5-------3--------------------------------------|
E|------1-------6------------------------------------------------------|

Verse
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|----------------------7-------5--------------------------------------|
D|------3-------8-------7-(x8)--5-(x8)---------------------------------| x2
A|------3-(x8)--8-(x8)--5-------3--------------------------------------|
E|------1-------6------------------------------------------------------|

Pre-Chorus
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|---------------------------------------------------------------------|
D|-----4~-----8~-------------------------------------------------------| x2
A|-----4~-----8~-------------------------------------------------------|
E|-----2~-----6~-------------------------------------------------------|

Chorus & Post-Chorus
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|----------------------7-------5--------------------------------------|
D|------3-------8-------7-(x8)--5-(x8)---------------------------------| x2
A|------3-(x8)--8-(x8)--5-------3--------------------------------------|
E|------1-------6------------------------------------------------------|

Bridge
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|----4-------6------8-------6-----------------------------------------|
D|----4-(x4)--6-(x4)-8-(x4)--6-(x4)------------------------------------| x3
A|----2-------4------6-------4-----------------------------------------|
E|---------------------------------------------------------------------|

e|---------------------------------------------------------|
B|---------------------------------------------------------|
G|----3-------5------7-------10----------------------------|
D|----3-(x4)--5-(x4)-7-(x4)--10-(x4)-----------------------| 
A|----1-------3------5-------8-----------------------------|
E|---------------------------------------------------------|

Chorus
e|------------------------------------------------------|
B|------------------------------------------------------|
G|----------------------7-------5-----------------------|
D|------3-------8-------7-(x8)--5-(x8)------------------| 
A|------3-(x8)--8-(x8)--5-------3-----------------------|
E|------1-------6---------------------------------------|