Very sweet song, and it's easy to play (:
I play it with strumming DDUUDU

INTRO:
D (xx0232@1)VERS1:
E (022100@1)                       AI (x02220@1)knew a girl in shades of blue,
D (xx0232@1)      Dsus4 (xx0233@1)         GWho (320003@1)broke my heart and said "We're through"
E (022100@1)            AWaiting (x02220@1)for a girl like you
D (xx0232@1)          Dsus4 (xx0233@1)    GTo (320003@1)change me like the weather
E (022100@1)                ASince (x02220@1)she left me high and dry
D (xx0232@1)      Dsus4 (xx0233@1) GSplit (320003@1)me like a Gemini
E (022100@1)                 AAll (x02220@1)those days are passing by
D (xx0232@1)   Dsus4 (xx0233@1)      GLike (320003@1)flowers in December

CHORUS
E (022100@1)                AFriday (x02220@1)is forever, we belong together
D (xx0232@1)         Dsus4So (xx0233@1)come on, come on,
GAnd (320003@1)don't you say never
E (022100@1)                     AIf (x02220@1)you go then I know, there is no tomorrow
D (xx0232@1)         Dsus4So (xx0233@1)come on, come on,
GYou (320003@1)should know better
E (022100@1)          AIt's (x02220@1)right, it's time for you and I
E (022100@1)                A (x02220@1)                     DFriday (xx0232@1)is forever, we should be together tonight

VERS2
E (022100@1)            ANo (x02220@1)more living in her head,
D (xx0232@1)      Dsus4 (xx0233@1) GNo (320003@1)more crashing in my bed,
E (022100@1)               AI'd (x02220@1)rather go with you instead
D (xx0232@1)   Dsus4 (xx0233@1)      GDon't (320003@1)care where we end up
E (022100@1)            AHold (x02220@1)your body close to mine
D (xx0232@1)   Dsus4 (xx0233@1)       GBlame (320003@1)it on the blood red wine
E (022100@1)                A (x02220@1)                   D (xx0232@1)  Dsus4 (xx0233@1) GIt (320003@1)takes a week to finally find if that Friday is forever

CHORUS
E (022100@1)                AFriday (x02220@1)is forever, we belong together
D (xx0232@1)                Dsus4So (xx0233@1)come on, come on,
GAnd (320003@1)don't you say never
E (022100@1)                    AIf (x02220@1)you go then I know, there is no tomorrow
D (xx0232@1)         Dsus4So (xx0233@1)come on, come on,
GYou (320003@1)should know better
E (022100@1)          AIt's (x02220@1)right, it's time for you and I
E (022100@1)                                       DFriday (xx0232@1)is forever, we should be together tonight

BRIDGE
G (320003@1)          E (022100@1)          A (x02220@1)  -A-A       D (xx0232@1)  DD
Don't be afraid, we will stay-ay-ay this way
G (320003@1)        E (022100@1)   -E     -E        A (x02220@1)          GDon't (320003@1)ever change-ange-ange, I'm in love with you
Whoa

BREAKDOWN/CHORUS
(These following notes should be hold out)
G (320003@1)                E (022100@1)      
Friday is forever, we belong together
D (xx0232@1)         Dsus4So (xx0233@1)come on, come on,
GAnd (320003@1)don't you say never
E (022100@1)                     A (x02220@1)         (start strum again)
If you go then I know, there is no tomorrow
D (xx0232@1)         Dsus4So (xx0233@1)come on, come on,
GYou (320003@1)should know better
E (022100@1)     A (x02220@1)       B7 (x21202@1)        G (320003@1)            
It's right, it's time for you and I
E (022100@1)                 AFriday (x02220@1)is forever, we should be together 
E (022100@1)                AFriday (x02220@1)is forever, we belong together
E (022100@1)                A (x02220@1)                    EFriday (022100@1)is forever, we should be together tonight
A (x02220@1)                    DWe (xx0232@1)should be together tonight

This was my first time doing this ever, hope you enjoyed it (:
listned after this:
http://www.youtube.com/watch?v=n9pxQowP1D4&feature=player_embedded#at=26