Stassi Schroeder showed off her growing bump less than two weeks after revealing that she and fiancé Beau Clark are expecting a girl.The Vanderpump Rules alum, 32, put her pregnant belly on display on Thursday, July 2, in a mirror selfie posted on her Instagram Story.In the snap, the former reality star wore a fitted, black dress, white sneakers and held her belly to show off its size.A little over a week ago, the New Orleans native announced the sex of her baby by sharing a sweet photo of