Katelyn Tarver is an American singer-songwriter and actress, born on December 2, 1989, in Glennville, Georgia. She first gained fame as a contestant on 'American Idol' in 2009 and later starred in the Nickelodeon series 'Big Time Rush.' Katelyn's music career took off with her pop-infused sound, and she has released several singles that showcase her vocal talent and songwriting skills. Her song 'You Don't Know' has resonated with fans, solidifying her place in the pop music scene. Katelyn continues to evolve as an artist, blending personal experiences into her music and connecting with a growing audience.