King of Shirtlessness Matthew McConaughey Has a Message for Justin Bieber [VIDEO]
Justin Bieber's apparent allergy to shirts lately has caused celebs like Olivia Wilde to snark at him to put some clothes on already -- but if there's anyone who'd know when it is and isn't okay for a dude to go topless, it's gotta be Matthew McConaughey.
And someone finally asked for his opinion.