First time I've figured out chords to a song, hope they're right!
Sorry about the lyrics if they're wrong, I got them by listening to the leaked 
version. Thanks everyone, enjoy!

Standard Tuning
Capo on 2nd fret

*notes:
In the VERSES you can play 'F' with the high E string open (kinda a Fmaj7)
In the CHORUS you can play the 'G' with the high E string open
It sounds right either way so play it how you think it should be!

C  F  C
C  F  C

VERSE 1
C            F          C
Hey girl I?m waiting on ya
    F          C
I?m waiting on ya
            F                G
Come on and let me sneak you out
C          F          C
And have a celebration
  F            C
A celebration
          F              G
The music up the windows down

PRE CHORUS
Am    (F)
Yeah
         C/F           G
We?ll be doing what we do
Am                    F
Just pretending that we cool, 
       G/C
and we know it too

Am    (F)
Yeah
         C/F             G
We?ll be doing what we do
Am                      F
Just pretending that we cool, 
    G/C
So tonight

CHORUS
         C                        G
Let?s go crazy crazy crazy til we see the sun
Am                           Fmaj7
I know we only met but let?s pretend it?s love
    C                          G
And never never never stop for anyone
Am                    Fmaj7                 C
Tonight let?s get some and live while we?re young

G Am F
(Woah)
                     C        G
And live while we?re young
Am                    F                     
Tonight let?s get some and live while we?re young

C  F  C

VERSE 2
C            F          C
Hey girl it?s now or never
     F        C
It?s now or never
           F                 G
Don?t over think just let it go
C         F       C          F      C
And if we get together, yeah get together
              F                   G
don?t let the pictures leave your phone

PRE CHORUS
Am    (F)
Yeah
         C/F             G
We?ll be doing what we do
Am                      F
Just pretending that we cool, 
    G/C
So tonight

CHORUS
         C                        G
Let?s go crazy crazy crazy til we see the sun
Am                           Fmaj7
I know we only met but let?s pretend it?s love
    C                          G
And never never never stop for anyone
Am                    Fmaj7                 C
Tonight let?s get some and live while we?re young

G Am F
(Woah)
                     C        G
And live while we?re young
Am                    F                     C
Tonight let?s get some and live while we?re young

G  Am  F

BRIDGE
    C    G        Am                        F        C
And girl you and I we?re ?bout to make some memories tonight
G                        Am
I wanna live while we?re young
Fmaj7
We wanna live while we?re young

CHORUS
         C                        G
Let?s go crazy crazy crazy til we see the sun
Am                           Fmaj7
I know we only met but let?s pretend it?s love
    C                          G
And never never never stop for anyone
Am                    Fmaj7                 C
Tonight let?s get some and live while we?re young

         C                        G
Let?s go crazy crazy crazy til we see the sun
Am                           Fmaj7
I know we only met but let?s pretend it?s love
    C                          G
And never never never stop for anyone
Am                    Fmaj7                 C
Tonight let?s get some and live while we?re young

G  Am  F

C  G

Am                    Fmaj7                 C
Tonight let?s get some and live while we?re young