"What Happens Tomorrow" is a song by the English pop rock band Duran Duran from their eleventh studio album, Astronaut (2004).

The song debuted at number 11 in the UK Singles Chart on 6 February 2005 and was the second single from the album to peak at number two in Italy.

The video, which showed the band as constellations, was directed by the duo of Smith n' Borin (Frank Buff Borin and Ryan Smith).

It was nominated on the Visual Effects Society Awards 2005 for "Outstanding Visual Effects in a Music Video" for media artists Jerry Steele, Jo Steele, Brian Adler and Monique Eissing.

Playboy Playmate Nicole Marie Lenz and Steve Talley (American Pie Presents: The Naked Mile) appear in the video.