**t just for kids: how Zayn Malik and Justin Bieber rebranded the teen pop idol
 

**t just for kids: how Zayn Malik and Justin Bieber rebranded the teen pop idol
http://img-s-msn-com.akamaized.net/t...=f&x=824&y=952Once the preserve of young fan armies, former child stars are winning over new and older audiences with their fresh takes on pop music. But is their cred merely manufactured?