'Barb and Star Go to Vista Del Mar' stars Kristen Wiig, Jamie Dornan and Annie Mumolo stops by to chat. And Drew will kicks-off design week with an expert helping at-home viewers all week long with their design dilemmas. First up, HGTV's Rock the Block competitors and interior designing duo Nate Berkus and Jeremiah Brent helps one VFF with her design dilemma. Then, celebrity interior designer Mikel Welch helps transform a bedroom being shared by two sisters.