This is how Savannah Outen plays Smile by Charlie Chaplin on her youtube channel
you can listen her version here http://www.youtube.com/watch?v=JUKcZv57jd4

This is my first tab, i hope everything is ok =)

Capo: 7th

G   320033
Em7 022033
C9  032033
D   000232
Dm  000132
Am  001220
Gm  335543

G (320003@1)Smile, though your heart is aching
Em7
Smile, even though it's breaking
C9 (x3233x@1)                         DWhen (xx0232@1)there are clouds in the sky
           DmYou'll (xx0231@1)get by...

AmIf (x02210@1)you smile

With your fear and sorrow
GmSmile (355333@1)and maybe tomorrow
G (320003@1)         C9 (x3233x@1)               DYou'll (xx0232@1)find that life is still worthwhile 
               Gif (320003@1)you'll just...


Light up your face with gladness
Em7
Hide every trace of sadness
C9 (x3233x@1)               D (xx0232@1)         DmAlthough (xx0231@1)a tear may be ever so near
       Am (x02210@1)             
That's the time you must keep on trying
Gm (355333@1)                     
Smile, what's the use of crying
G (320003@1)              C9 (x3233x@1)                 DYou'll (xx0232@1)find that life is still worthwhile

If you'll just...

GSmile, (320003@1)though your heart is aching
Em7
Smile, even though it's breaking
C9 (x3233x@1)                         DWhen (xx0232@1)there are clouds in the sky
           DmYou'll (xx0231@1)get by...


AmIf (x02210@1)you smile

With your fear and sorrow
GmSmile (355333@1)and maybe tomorrow
G (320003@1)         C9 (x3233x@1)               DYou'll (xx0232@1)find that life is still worthwhile 
               Gif (320003@1)you'll just... Smile

Break: G - Em7 - C9 - D - Dm

       Am (x02210@1)                         Stop
That's the time you must keep on trying
Gm (355333@1)                      Stop
Smile, what's the use of crying
G (320003@1)              C9 (x3233x@1)                 DYou'll (xx0232@1)find that life is still worthwhile
                    GIf (320003@1)you'll just Smile

End: Em7 - C9 - D - G