The Best There Ever Was (Kellin Quinn's Little Sister)

Kacie Quinn, Is Kellin Quinn's little sister who has been kept a secret from all the fame. He didn't want her to get hurt, so he never let any of the band members meet her or go on tour with him. She wasn't even allowed to leave her room while he had the band, or any band matter of fact, over. Katelynne only knew about her after they got married. She was very sheltered, until Kellins decides to take her on Warped with them that is.