Dax Shepard will never speak negatively about his marriage to Kristen Bell, even if they split at some point in the future. Shepard, 50, made the declaration during a conversation with Alicia Silverstone about her 20-year marriage to her ex-husband, Chris Jarecki, on the Monday, September 8, episode of Shepard's "Armchair Expert" podcast. "I say this all the time, like, if Kristen and I ever split up, I would only describe this as still an enormously successful relationship," Shepard told Silverstone, 48, and cohost Monica Padman. "Like, we loved each other to death.