Celebrities take to the karaoke stage in the hope of being crowned the ultimate karaoke star. Whether their voice is like Mariah Carey or Mariah Scarey, it's all about the love of karaoke and commanding a stage, in everything from epic solo performances to group battles. But each contestant is also a judge, and they are all voting to kick someone out of the club at the end of the night. As each leaves another joins, with their own hopes of karaoke stardom.