Welcome to the third-wheel event of the season! This week the sisters are joined by Alex Moody, Katie's boo-thang and self-proclaimed #1 fan. Alex knows how to tear it up in the kitchen and effectively shut down a frat party like no other (no seriously, he accidentally shut an entire frat party down-we're impressed). This episode the girls and Alex discuss subjects such as how to know if you're just a place-holder in a relationship, if guys get jealous, the time Katie almost...