Erika, 48, donned leggings, a hat and a windbreaker as she strolled down the street with her publicist.
Meanwhile, Lisa stood on the sidewalk and took selfies with a female pal.
Us Weekly recently confirmed that Erika would be returning as a full-time housewife for season 10 of the franchise, after rumors of a demotion started to circulate.
"It was was up to Kyle. I’m really fine. After the reunion I didn’t want to come back. It was an awful experience," Camille tweeted on August 29.