Below Deck's Ashton Pienaar is celebrating six years of sobriety - and calling out the costars who questioned his decision to quit drinking. Ashton took to Instagram on Tuesday, January 7, to share a video from the season 7 reunion, writing, "6 years ago my Below Deck castmates laughed at me when I said I quit drinking." In the caption, Ashton elaborated on his personal journey in the years since the Bravo special aired. "6 years sober today. This clip was the moment I said it out loud for the first time. People laughed," he wrote.