Worlds Collide is the fourth studio album by Swedish metalcore band Dead by April. It was released on 7 April 2017 through Spinefarm and Universal. It is the first album to feature guitarist/songwriter Pontus Hjelm on co-lead vocals and the last album to feature former unclean vocalist Christoffer "Stoffe" Andersson as he left the band shortly after the album's release. The album debuted at number 8 on the Swedish albums chart. On 1 September 2017 the band released an EP titled Worlds Collide , which contains four tracks from Worlds Collide with the original harsh vocals replaced with harsh vocals by returning member Jimmie Strimell. On 20 October another EP, called Worlds Collide , was released, containing acoustic versions of 4 songs from the album.

Dead by April is a Swedish metalcore band from Gothenburg, formed in 2007 by Pontus Hjelm and Jimmie Strimell. The current band lineup consists of Pontus Hjelm, Christopher Kristensen and Marcus Wesslén. Despite many line up changes throughout their career, both Marcus Wesslén and Pontus Hjelm have remained consistent since their debut album.