By Invitation Only

Lisa and Ariana plan a surprise bridal shower for Scheana. James makes it his mission to score Ally an invite to the wedding. Raquel and Schwartz take their flirting to the next level. When the group travels to Cancun to celebrate Brock and Scheana, Katie finds herself exiled to the other side of the resort. James gets into an altercation that leaves Ariana fuming.