Body language expert Judi James has identified a critical flaw in Michael Sheen's performance during the BBC Celebrity Traitors final. The analysis was released just hours before the show's conclusion, focusing on Sheen's nonverbal cues. James pointed to a specific moment where Sheen's posture and gestures betrayed his confidence, according to her assessment. The show, which tests contestants' ability to deceive, relies heavily on subtle behavioral signals. Sheen's performance was among the final three, with the winner determined by audience votes. The expert's analysis adds to the growing scrutiny of the contestant's strategy. The BBC has not commented on the expert's findings. The show airs tonight, with results expected shortly.