The Young and the Restless spoilers confirm that Noah Newman, played by Lucas Adams, and Sienna Bacall, played by Tamara Braun, have officially left the show. Goodbye, Sienna Bacall & Noah NewmanThe Young and the Restless spoilers note that the couple declared they were heading back to Los Angeles during the August 3, 2026, episode. Less than one year on the canvas, and Sienna and Noah are exiting storylines. The two made an interesting pairing since Adams and Braun played a mother and son on Days of Our Lives. It’s hard to say if new writers, Jamey Giddens and Dan O’Connor, will write Noah and Sienna back into the show.