hi hope this is all correct.it may look hard but even to a 12 year old like me its as
easy as pie! enjoy this song as it is one that gets stuk in ur head all day!!!
lewis
(oh and the chords are above for ryhthem guitaring)
                     
C                 G                C           G
e|----------------|-----------0--0--0|---3--0---------0|------0--0--3|------|
b|----------------|-----1-----1--1--1|---0-----1--3----|--1---1--1--0|------|
g|----------------|--0--------0--0--0|---0-------------|------0--0--0|------|
d|----------------|-----------2--2--2|---0-------------|------2--2--0|------|
a|----------------|------------------|-----------------|-------------|-0-2-3|
e|--0--0--1-1-2---|------------------|-----------------|-------------|------|

   C             F                     F                 C        G
e|------------|-----------1---1--1--|--1----------------|-----0---3--------|
b|--3---3-3--1|--1--------1---1--1--|--1------3--3-1----|-----1---0--------|
g|------------|------3----2---2--2--|--2--------------2-|--0--0---0--------|
d|------------|-----------3---3--3--|--3----------------|-----2---0--------|
a|------------|---------------------|-------------------|-----3---2--0-2-3-|
e|------------|---------------------|-------------------|------------------|
   
   C                  G             G              C          F
e|------------------|-3--3-3---3-|--3----0---0---|-------0----1---1--|------|
b|------------------|-0--3-3---3-|--3-----------3|-1-----1----1---1--|------|
g|---------0--0--0--|-0--0-0---0-|--0------------|-------0----2---2--|------|
d|------------------|-0--0-0---0-|--0------------|-------2----3---3--|------|
a|---3--------------|------------|---------------|-------3-----------|-0-2-3|
e|------------------|------------|---------------|-------------------|------|

and that is all it is. apart from the ending. the ending is the chords:- 
C  F   C  G  C

hope u like it as i sed b4 it looks hard but it isn't