In this season premiere of "Keeping Up with the Kardashians," Kim lets the pressures of fame go to her head and adopts a diva attitude that does not sit well with her family. How long will the rest of the Kardashian clan be able to put up with her outrageous demands? Meanwhile, Kourtney is in for the shock of her life when she finds evidence that suggests her boyfriend Scott is cheating on her. To get her mind off the matter, Kim and Khloe take their sister out for a girls' weekend in Cabo San Lucas, but will drinking and dancing be enough to take Scott off Kourtney's mind? Finally, will Kourtney call it quits with Scott--or give him a second chance? And has Kim finally found true love with football stud Reggie Bush? Dive into the drama and see!