Double threats: Musicians who act

Published On: Mar 13 2013 03:36:47 PM PDT   Updated On: Mar 17 2013 11:00:00 PM PDT
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.