Teen-Purchased, Parent-Approved

Parents, hang on to your wallets: Justin Bieber has been hired as the brand ambassador for the teen-targeting prepaid debit card SpendSmart, which comes from the startup BillMyParents.com. While it’s too early to tell how many of Bieber’s 35 million Twitter followers will become new cardholders, BillMyParents is already making a name for itself with its…