Navarro gets tough on reality show contestants

Dave Navarro has toughened up for the latest installment of his reality talent competition Rock Star: Supernova after allegations he was too nice to contestants during the show's first season.

Dave Navarro has toughened up for the latest instalment of his reality talent competition Rock Star: Supernova after allegations he was too nice to contestants during the show's first season.

The series follows the search for a vocalist to join a new rock band being formed by ex-Motley Crue drummer Tommy Lee, former Metallica bassist Jason Newsted and one-time Guns n' Roses guitarist Gilbey Clarke.