"When You're Gone" is a song by Canadian musician Bryan Adams, from his album On a Day Like Today (1998). The song features Melanie C of the Spice Girls. The song was written by Adams and Eliot Kennedy. The song peaked at number three on the UK Singles Chart and spent 15 weeks in the UK Top 40, with nine of these in the Top 10. With sales of 676,947, "When You're Gone" was the 82nd-best selling single of the 1990s. It has sold 730,000 copies in the UK as of August 2017.
The CD single of "When You're Gone" also included a solo version by Adams. The song is frequently featured at Adams' concerts. He usually picks a female audience member to sing the song with him. As such, it appears on several CD and DVD releases. In recent years, he also performed it entirely solo, both fully acoustic and with his full band.
Melanie C regularly features the song in her live concerts, with guitarist Greg Hatwell singing Adams' parts. The song is included on her live DVD Live Hits. Melanie C and Bryan Adams have played the song together a couple of times in concert. Duet versions have been released on the singles for Adams' "Cloud Number Nine" (1999) and on Melanie C's "If That Were Me" (2000).
In 2005, Adams re-recorded the song with Pamela Anderson for the US release of the Anthology greatest hits album. The new version was released to radio as a single.