Double threats: Musicians who act

POSTED: 04:36 PM MDT Mar 13, 2013    UPDATED: 12:00 AM MDT Mar 18, 2013 
Justin Timberlake In The Social Network

Justin Timberlake, who's returning this week with his first album in six years, is among many music stars who've also flexed their acting muscles. Join us for a look at singing stars who are double threats.