The lost sibling

Lauren's parents tell her and her two younger siblings that there was a fourth child that they put up for adoption as they couldn't afford for all six of them.

Y/N was adopted by a middle age couple in Birmingham, England at the age of six months old. She wonders every day why her birth family put her up for adoption. She got the musical talent just like Lauren but it was the passion for instruments instead of singing. She's part of a band called the escape that formed together when she was seventeen with some of her friends.

What will happen when Y/No's band gets big within its career and she finally meets the Jauregui's? Will Clara and Mike realise that Y/N is their long lost child.