The whole song is based on the chord sequence A B E C# with sometimes no C#!
I find this song easy to play with 
these bar chords:

(play them all as chords)

A major chord

E|--5----
B|--5----
G|--6----
D|--7----
A|--7----
E|--5----

B major chord

E|--7----
B|--7----
G|--8----
D|--9----
A|--9----
E|--7----

E major chord

E|--0----
B|--0----
G|--1----
D|--2----
A|--2----
E|--0----

C# minor chord

E|--4----
B|--5----
G|--6----
D|--6----
A|--4----
E|--4----

If you believe this is accurate please rate 5 stars! Thanks from me @mrskatiehoran on twitter :D

Intro:

(no guitar)
Boom Boom Boom Clap

A B E C#
A B E

Verse:

A                 B
You're picture perfect blue
E             C#
Sunbathing on the moon
A                     B          E   (C#)
Stars shining as your bones illuminate
A               B 
First kiss just like a drug
E              C#
Under your influence
A            B                             E
You take me over you're the magic in my veins
(no guitar)
This must be love

Chorus:

A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now
A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now

A B E C#

Verse:

A                 B
No silver or no gold
E             C#
Could dress me up so good
A                     B          E   (C#)
You're the glitter in the darkness of my world
A                 B
Just tell me what to do
E             C#
I'll fall right into you
A                     B          E   
Going under cast a spell just say the word
           C#
I feel your love

Chorus:

A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    (C#)
Come on to me come on to me now
A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now

Bridge:

A B

    E                    C#           A       B
You are the light and I will follow
     E                      A    B   
You let me lose my shadow
    E                       C#      A  
You are the sun the glowing halo
B                    E
And you keep burning me up with all of your love

Chorus:

A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now
A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now
A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#
Come on to me come on to me now
A
Boom Clap
    B
The sound of my heart
    E                       C#
The beat goes on and on and on and on and
A
Boom Clap
    B
You make me feel good
E                    C#           A
Come on to me come on to me now