Season 1 of Rock Star premiered on July 11, 2005.

Rock Star: INXS is the first season of the reality television show Rock Star where 15 contestants competed to become the lead vocalist for the Australian rock band INXS.

INXS enjoyed great popularity through the 1980s and early 1990s, but in 1997, frontman Michael Hutchence died. The band attempted to continue with alternate singers, but remained largely dormant until this show. The winner of the series, J.D. Fortune, was announced on Tuesday, September 20, 2005 and became the band's new lead singer. Following the series, on November 29, 2005, the band released the studio album Switch with J.D. Fortune on lead vocals.

Season 2 of Rock Star premiered on July 4, 2006.

Rock Star: Supernova is the second season of the reality television show Rock Star. The show, hosted by Dave Navarro and Brooke Burke, featured 15 contestants competing to become the lead vocalist for a newly formed supergroup featuring Mötley Crüe drummer Tommy Lee, former Metallica bassist Jason Newsted, and former Guns N' Roses guitarist Gilby Clarke.