Double threats: Musicians who act

POSTED: 12:56 AM CDT Sep 30, 2013    UPDATED: 01:00 AM CDT Sep 30, 2013 
VMAs - Justin Timberlake blurb

With pop star, and sometimes actor, Justin Timberlake releasing the second half of his "The 20/20 Experience" album on Monday, join us for a look at other singing stars who are double threats.