You could either mean
"I wanna be your everything." by Keith Urban.
Or
"You are my everything." by Boys 2 Men.
Vertical Horizon - that's the artist who sings that song =)the tunes called everything you want
Adam Gontier of Three Days Grace sings I Hate Everything About You.
PItbull
The song is "What You Got" by Colby O'Donis
"You're My Everything" was a hit for the Temptations in 1967.
Susan McCann
Aviation
Mark sings majority of the song, but Tom chimes in to sing the "I know that everything, that everything..." part.
the band's name is Everything
if you want to know who wrote it, look it up on wikianswers. I mean, that site has the answers to everything.
Alannah Myles sings the song "Love Is". The chorus contains the line "love is what you want it to be".
Maybe Donnie McClurkin since he sings everything else...