Steve-o is reportedly facing a lawsuit from a contestant on his upcoming show Killer Karaoke. The Jackass star is being sued by Susanne Ohman, who claims she suffered serious injuries while taking part in the new game show presented by the stuntman, reports TMZ. The TruTv singing competition is based on the British series Sing If You Can, which sees contestants try to keep singing while various attempts are made to interrupt their performances. Ohman alleges that she was soaked by water during her attempt, before she slipped off the platform, which "fractured and damaged her tibia, patella, ligaments, knee, leg, (more)...