Halo Star is the ninth studio album by the Darkwave band Black Tape for a Blue Girl. It was released in 2004 by Projekt Records. It includes one of the band's most popular songs, "Knock Three Times," which later appeared on the popular 2005 Projekt Presents: A Dark Cabaret compilation, remixed as "Knock Three Times (skinny kinda mix)." The album features the core line-up of Sam Rosenthal, Elysabeth Grant, Bret Helm, Michael Laird & Lisa Feuer. It was the last album to feature this version of the group.