Easy song - fun to play!
See strumming pattern for intro in the video on youtube.

Intro -
C| (x32010@1)G| (320003@1)Am| (x02210@1)F (133211@1)Verse -
C| (x32010@1)G| (320003@1)Am| (x02210@1)F(They (133211@1)all said she's just...)

Pre-chorus
G| (320003@1)F| (133211@1)G| (320003@1)F(I (133211@1)feel so funny deep inside...)

Chorus -
C| (x32010@1)G| (320003@1)Am| (x02210@1)F(Sugar (133211@1)high (got to have it really need it to get by))

Have fun!