Good Morning America Concert Series: Rihanna

As far as pop stars go, Rihanna is one of the hottest, especially with the tween set. Catch the Barbados-born singer belting out a set in the early morning—if you and your youngsters are early risers, that is. Though the concert begins at 7am, we suspect mega-fans will be lining up long before the park's 6am opening time.