On which reality TV Show did Maroon 5's lead singer appear as a judge?
Casey Weston: Casey Weston (born December 4, 1992) is a singer-songwriter. Casey Weston:  She was one of the top two finalists on Adam Levine's team on the first season of "The Voice." Adam Levine:  He is the lead singer for the pop rock band Maroon 5.
i don't know