In Las Vegas, an anxious Gretchen performs with the Pussycat Dolls in front of all the other housewives -- will she shine or bomb? Back in Orange County, despite Jim's objections, Alexis continues to follow her career aspirations and meets with a talent coach to hone her hosting skills. Meanwhile, Heather and Terry join Gretchen and Slade for a couple's dinner, and Gretchen is shocked to hear Terry call Alexis phony. Later, Vicki takes Briana and her new man, Ryan, to dinner where Briana drops a huge bombshell, leaving Vicki speechless.