RJ Mitte Vegas Birthdays Can Be Educational

8/27/2013 4:00 PM PDT

RJ Mitte -- Vegas Birthday Parties Can Be Educational

TMZ TV


"Breaking Bad" star RJ Mitte turned 21 in true Vegas style -- partying with booze, scantily clad women ... and his mom (not at all scantily). So, why party with Mom?

Here's the best explanation from our newsroom -- and by best, we mean ... worst.