First tab. So i watched a recent video where she played it like this, enjoy!

intro:
F DDDU
G DDDU
Am DDDU DDDU
F DDDU
G DDDU
Am (once)

F              G 
I'm coming in hot
           Am  
 And those eyes keep looking at me, yeah
 F            G            Am
 Ooh and why not? Keep looking, looking
 F                     G
 I'm kind of over the top
        Am
 And I like, like your chemistry, yeah
 F                 G                Am
 Yeah let's mix it up, and all you eyes
 Watch!
                   F                 G                
 I'm gonna make a million, billion, trillion, gazillion
 Am
 Million, billion, trillion, gazillion
 F            
 Trili - Trili
 G
 Milli ? Milli ?Milli
 Am (once)
 I'm done
           F                   G         
 Cuz I'm a Wild Child, sitting on my throne
 Am
 Going all out, going for broke
 F             G           
 Wild Child, Geronimo
 Am
 Knocking 'em out, blow for blow
         F       G           Am    
 Let em' say-ey-ey, let em' say
       F      G
 I'm a Wild Child
      Am
 I'm Wild

F G Am (Am twice)

 F                    G
 Ooh take your cheap shots
              Am            
 It's all you got, put your money where your mouth is
F             G
 You're just talk
            Am
 So keep it coming, coming
 F              G
 Ooh like it or not
          Am
 Straight up, I'm a lot to handle
 F            G            Am
 I do what I want, I ain't shy
 Watch!
 
 Same chords for the chorus

 I'm gonna make a million, billion, trillion, gazillion
 Million, billion, trillion, gazillion
 Trili - Trili
 Milli ? Milli ?Milli
 I'm done

 Cuz I'm a Wild Child, sitting on my throne
 Going all out, going for broke
 Wild Child, Geronimo
 Knocking em' down, blow for blow
 Let em' say, let em' say
 I'm a Wild Child
 
            F                    Am    G
 Yeah I'm living it up, living it up, whoah
                          F     A
 Nothing's gonna keep me down, Oh
      F                      Am   G
 I'm living it up, living it up, whoah
                         F     A
 Nothing's gonna stop me now, Ooh

 Same chords for the chorus

 I'm a Wild Child, sitting on my throne
 Going all out, going for broke
 I'm a Wild Child, Geronimo
 Knocking 'em out, Ow!
 I'm a Wild Child, 'n' everyone can tell
 Going all out, going for broke
 I'm a Wild Child, Geronimo
 Knocking 'em out, blow for blow
 Let 'em say, let 'em say
 I'm a Wild Child
 I'm Wild

 Yeah