Miami - Season 3, Episode 14 - Mrs. Zago

Everyone except Marysol (shockingly) goes to Vegas for Joann's bachelorette party.  After partying way too hard they miss their flight the next day
Still Open - The Palms

Meanwhile in San Diego the wedding planning is happening!  They make it in time for the rehearsal dinner and then Lea and Adriana go to get facials and break up for good. 

Still Open - Aviara