Most likely something from a South Park album...
You're probably thinking of Smile by Papa Roach.
Try "I can't smile without you".
Canned Heat "My Crime"
u smile
According to Ask 118 the song is You always make me smile by Kyle Andrews
The song is "Smile" by Uncle Kracker (Matthew Shafer) from the 2009 album Happy Hour.
u smile ?? x
Smile - Scarface song - was created on 1997-02-13.
Charlie Chaplin wrote the song Smile.
You Make Me Smile by Kyle Andrews
While this is a line common to several songs, the one most frequently heard at this time would likely be "When You Smile At Me," by Amie Comeaux.
The song playing on the Holiday Inn advert 2010 is 'you always make me smile' by Kyle Andrews and I love that song!!!