Mark McGrath is an American singer who is the lead vocalist of the rock band Sugar Ray. McGrath is also known for his work as a co-host of "Extra", and he was the host of "Don't Forget the Lyrics!" in 2010. McGrath hosted the second season of the TV show "Killer Karaoke".

In 2018, McGrath was cast to compete in the first American season of "Celebrity Big Brother", in which he made it to finale night.

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