Intro & Main Riff:

E|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|---------------------------------------|
A|-5p3----3---5------3---3----3----------|
E|-----5h---5----------5---------5-3-5---|

Pre-chorus:

"You don't know how beautiful..."

        G               G#              G              G#
E|-----3--3-3--3-3----4--4-4--4-4----3--3-3--3-3----4--4-4--4-4--|
B|-----3--3-3--3-3----4--4-4--4-4----3--3-3--3-3----4--4-4--4-4--|
G|-----4--4-4--4-4----5--5-5--5-5----4--4-4--4-4----5--5-5--5-5--|
D|-----5--5-5--5-5----6--6-6--6-6----5--5-5--5-5----6--6-6--6-6--|
A|-----5--5-5--5-5----6--6-6--6-6----5--5-5--5-5----6--6-6--6-6--|
E|-----3--3-3--3-3----4--4-4--4-4----3--3-3--3-3----4--4-4--4-4--|

"You don't know how beautiful you are..."

        G               A#              D#              F
E|-----3--3-3--3-3----6--6-6--6-6----6--6-6--6-6----8--8--8--8--8-|
B|-----3--3-3--3-3----6--6-6--6-6----8--8-8--8-8---10-10-10-10-10-|
G|-----4--4-4--4-4----7--7-7--7-7----8--8-8--8-8---10-10-10-10-10-|
D|-----5--5-5--5-5----8--8-8--8-8----8--8-8--8-8---10-10-10-10-10-|
A|-----5--5-5--5-5----8--8-8--8-8----6--6-6--6-6----8--8--8--8--8-|
E|-----3--3-3--3-3----6--6-6--6-6----x--x-x--x-x----x--x--x--x--x-|

Repeat the Pre-chorus sequence one more time and finish with a G.

Main Riff with this Mini-solo played over the top:

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

Play Pre-Chorus again twice

Break Solo:

E|--------------------------------------------------------------------|
B|-15-----------------------------------------------------------------|
G|-------9--10--9--7-5----9---10-9-7-5----9--10--9-7-5----9-10-12-14--|
D|--------------------------------------------------------------------|
A|--------------------------------------------------------------------|
E|--------------------------------------------------------------------|

After that it's time to finish it off with the chorus riff repeated until the end.
This small hammer-on fill is played during the last lines.
End fill:

E|-----|
B|-----|
G|-5h7-|
D|-----|
A|-----|
E|-----|
Repeat a couple of times.

So ultimately, this is the structure of the song:
1. Intro (Main riff)
2. Verse (palm muted guitar)
3. Chorus 
4. Verse
5. Pre-Chorus
6. Mini-solo
7. Verse (palm muted guitar)
8. Chorus
9. Pre-Chorus
10. Chorus
11. Break solo
12. Final Chorus (Hammer-on fills)