Basically the same chord progression throughout the whole song.
F  133211 
G  320003
Am 002210

Chorus:
         F
Let's go back, I know it's been a minute
                G
But I can do it better than I did when I did it
                Am
You were loving me, I was loving you
G                                       F
You can come over and we can have deja vu
        G
Ooh ooh ooh
                    Am
We could have deja vu
        G
Ooh ooh ooh
You could come over and

Verse 1:
F                                  G
I'm probably gonna compliment your hair do
Am                        G
Right before we mess that shit all up
F                                    G
I used to keep you out way past your curfew
Am                            G
Look at me now, I'm all grown up
F                          G
She was reminiscing in her mind
                                    Am
I'm just trying to make up for lost time
But don't be acting nervous
G
Cause we've been here before

(Chorus)

Verse 2: (Same chord progression)
I'm probably gonna compliment your outfit
(Your outfit)
Right before you take that shit all off
(Take that shit all off)
Member we would sneak out of our houses?
(Our houses)
Look at us now, we're all grown up
(Yeah baby, look at us now, we're grown up)
She was reminiscing in her mind
I'm just trying to make up for lost time
But we acting nervous
Cause we've been here before

(Chorus)

Bridge: (Same chord progression)
Nothing much has changed
You still feel the same
Don't pretend like you don't
Want to like I do
I know you think about
What it would feel like now
Come over, let's make a new memory

(Chorus)