There are a selection of people who sing it but one of them are Spice girls
I bet the one you are thinking of is called Jar of hearts by Christina peri. I spent alot of time trying to figure this one out too. hope it helped
Josh Terner sings be your man and if you ask me i think Scotty Mccreery sings it better lol
Faith Hill I think
i think its chakkadeimus
Lenka sings in the DFS advert (I think? ? ?) :) :)
tupac raps and elton john sings the chorsus
a rocket to the moon sings i think about you everyday
Janet Jackson sings a song with the lyrics "When I Think Of You" in it. Delimomma
I think Tiffany sings it
Josh Terner sings be your man and if you ask me i think Scotty Mccreery sings it better lol
I think she sings about 46 songs
Selena Gomez sings it. Rihanna does too, but i personally think that Selena sings it better.
Alter Bridge sings his song
I think Down With Webster sings it, either that or Josh Turner
Faith Hill I think
Bobby Wommack
I think it was Doug Parkinson
U2