Ariana Madix and Tom Sandoval haven’t attended any of their pregnant Vanderpump Rules costars’ gender reveal parties.“We have not been nor would we expect to be invited to any of those things,” the Florida native, 35, tweeted on Monday, September 28, when asked about her and the TomTom Bar cofounder’s absence.Us Weekly broke the news in June that Stassi Schroeder and Beau Clark are expecting their first child.