Listened to the song these chords sounded just right!
C,Am,F (accationally G)

C
It?s a beautiful night,
                             Am
We?re looking for something dumb to do.
   F
Hey baby,
                 C
I think I wanna marry you.

C
Is it the look in your eyes,
                  Am
Or is it this dancing juice?
         F
Who cares baby,
                 C
I think I wanna marry you.

C                                                     Am
Well I know this little chapel on the boulevard we can go,
             F
No one will know,
     C
Come on girl.
   Am                                                      F
Who cares if we?re trashed got a pocket full of cash we can blow,
            G
Shots of patron,
         C
And it?s on girl.

           Am
Don?t say no, no, no, no-no;
          F
Just say yeah, yeah, yeah, yeah-yeah;
          G
And we?ll go, go, go, go-go.
       C
If you?re ready, like I?m ready.
              
Cause it?s a beautiful night,
We?re looking for something dumb to do.
Hey baby,
I think I wanna marry you.

Is it the look in your eyes,
Or is it this dancing juice?
Who cares baby,
I think I wanna marry you.

I?ll go get a ring let the choir bells sing like oooh,
Bruno Mars Marry You lyrics found on http://www.directlyrics.com/bruno-mars-marry-you-lyrics.html
So whatcha wanna do?
Let?s just run girl.
If we wake up and you wanna break up that?s cool.
No, I won?t blame you;
It was fun girl.

Don?t say no, no, no, no-no;
Just say yeah, yeah, yeah, yeah-yeah;
And we?ll go, go, go, go-go.
If you?re ready, like I?m ready.

Cause it?s a beautiful night,
We?re looking for something dumb to do.
Hey baby,
I think I wanna marry you.

Is it the look in your eyes,
Or is it this dancing juice?
Who cares baby,
I think I wanna marry you.

Just say I do,
Tell me right now baby,
Tell me right now baby. x2

Cause it?s a beautiful night,
We?re looking for something dumb to do.
Hey baby,
I think I wanna marry you.

Is it the look in your eyes,
Or is it this dancing juice?
Who cares baby,
I think I wanna marry you.