"All I Have" is a song recorded by American singer Jennifer Lopez, featuring American rapper LL Cool J. Written by Lopez, Makeba Riddick, Curtis Richardson, and Ron G.
The song was produced by Cory Rooney, Ron G, and Dave McPherson.
The track was released on December 14, 2002 as the second single from Lopez's third studio album, This Is Me... Then (2002).
"All I Have" samples "Very Special" by Debra Laws, who later filed a lawsuit in 2003 against Sony Music Entertainment for "misappropriating her voice" in the song and her name in the credits.
The song is a mid-tempo R&B and hip-hop ballad, about moving on after a breakup.