Lisa Rinna had ‘one-night stands’ with former co-star Patrick Muldoon By: FOXNews.com July 22, 2021 at 19:26 PM EDT The 58-year-old played Billie Reed on the show from 1992 to 1995 — and Muldoon, 52, played her on-screen brother, Austin Reed. Read More >> Related Stocks: Fancamp Exploration Ltd