Monica Schipper/Getty Images Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google The Pitt star Katherine LaNasa has been married to Melrose Place alum Grant Show for two decades. LaNasa and Show, who met on the set of Big Love, got married in August 2012 and have gone on to publicly gush about their relationship. "My date is the gorgeous Grant Show," LaNasa told Entertainment Tonight at the 2025 Emmy Awards. "Blake Carrington, himself.