The G/B is just a passing chord from the C to the Am. Just strum it once.
For a better reference look at the YouTube link.
https://www.youtube.com/watch?v=sx0YI0I86V4
[Verse 1]
C Am
Give me your, give me your, give me your attention baby
Bm Em Dsus2
I got to tell you a little something about yourself
C Am
You're wonderful, flawless, ooh you're a sexy lady
Bm Em Dsus2
But you walk around here like you wanna be someone else
[Pre-Chorus]
C
ooh
Am Bm Em Dsus2
I know that you dont know it, but you're fine, so fine
C
ooh
Am Bm Em Dsus2
Oh girl im gonna show you when you're mine, oh mine
[Chorus]
C G/B Am Bm
Treasure, that is what you are
Em Dsus2 C
Honey you're my golden star
G/B Am Bm
And if you can make my wish come true
Em Dsus2 C
If you let me treasure you
G/B Am Dsus2
If you let me treasure you ohhhhhh
[Verse 2]
C Am
Pretty girl, pretty girl, pretty girl you should be smiling
Bm Em Dsus2
A girl like you should never look so blue
C Am
You're everything I see in my dreams
Bm Em Dsus2
I wouldnt say that to you if it wasnt true
[Pre-Chorus]
C
ooh
Am Bm Em Dsus2
I know that you dont know it, but you're fine, so fine
C
ooh
Am Bm Em Dsus2
Oh girl im gonna show you when you're mine, oh mine
[Chorus]
C G/B Am Bm
Treasure, that is what you are
Em Dsus2 C
Honey you're my golden star
G/B Am Bm
And if you can make my wish come true
Em Dsus2 C
If you let me treasure you
G/B Am Dsus2
If you let me treasure you ohhhhhh
[Bridge]
C Am
You are my treasure, you are my treasure
Bm Em
You are my treasure, yeah, you you you, you are
C Am
You are my treasure, you are my treasure
Dsus2
You are my treasure, yeah, you you you, you are
[Chorus]
C G/B Am Bm
Treasure, that is what you are
Em Dsus2 C
Honey you're my golden star
G/B Am Bm
And if you can make my wish come true
Em Dsus2 C
If you let me treasure you
G/B Am Dsus2
If you let me treasure you ohhhhhh
[Outro]
C Am Bm Em Dsus2