Double threats: Musicians who act

POSTED: 10:56 PM PDT Sep 29, 2013    UPDATED: 11:00 PM PDT Jul 24, 2014 
Prince in Purple Rain

It was three decades ago that pop star Prince became movie star Prince. With "Purple Rain" celebrating its 30th anniversary July 27, join us for a look at "The Purple One" other singing stars who are double threats.