Wish Upon a Blackstar is the second vocal album (third overall) from American electronic rock project, Celldweller. While the album had been a work in progress since 2004, finalized songs from the album were not released until mid-2009. The full album was released on June 12, 2012. Grant Mohrman, producer of the debut Celldweller album, returned to co-produce the album with Klayton.