What Did I Do to You

"What Did I Do to You?" is a song recorded by British singer Lisa Stansfield for her 1989 album, Affection. It was written by Stansfield, Ian Devaney and Andy Morris, and produced by Devaney and Morris.

The song received positive reviews from music critics. "What Did I Do to You?" was released as the fourth European single on 30 April 1990. It included three previously unreleased songs written by Stansfield, Devaney and Morris: "My Apple Heart," "Lay Me Down" and "Something's Happenin'." "What Did I Do to You?" was remixed by Mark Saunders and by the Grammy Award-winning American house music DJ and producer, David Morales. The Philip Richardson-directed music video was also released. The single became a top forty hit in the European countries reaching number seven in Italy, number eighteen in Finland, number twenty in Ireland and number twenty-five in the United Kingdom. "What Did I Do to You?" was also released in Japan.

In 2014, the remixes of "What Did I Do to You?" were included on the deluxe 2CD + DVD re-release of Affection and on People Hold On ... The Remix Anthology. They were also featured on The Collection 1989–2003 box set (2014), including previously unreleased Red Zone Mix by David Morales.