article_snippet.sent: Which is exactly what happened when Krishnan tried to ask Robert Downey Jr Robert Downey Jr about Robert Downey Jr drug-taking past.
article_snippet.sent: After questioning the 50-year-old actor as to whether Robert Downey Jr had managed to fight Robert Downey Jr demons the 50-year-old actor said: 'I'm sorry, I really don't... what are we doing?' before walking out of the interview.
article_snippet.sent: Channel 4 presenter Krishnan Guru-Murthy looks bemused as Robert Downey Junior walks out on an interview with Robert Downey Junior after the journalist asked the journalist about the journalist .
article_snippet.sent: In the footage of the short-lived chat Krishnan is then seen looking dumbfounded as Robert Downey Jr goes to head out of the room.
article_snippet.sent: Seemingly amused with the reaction, Guru-Murthy is then seen smiling and gesticulating as a production team-member tried to remove Robert Downey Jr's clip-on microphone.
article_snippet.sent: At that point Guru-Murthy turns and says: 'It's all getting a bit Diane Sawyer [a U.S. journalist known for her investigative interviewing].'
article_snippet.sent: The horror was clear to see on Robert Downey Jr's face as Robert Downey Jr questioned Krishnan about where Robert Downey Jr was trying to take their chat .
article_snippet.sent: But Robert Downey Jr isn't the first celebrity to lose Robert Downey Jr cool in the face of an awkward line of questioning.
highlights_snippet.sent: Robert Downey Jr walked out of an interview with Channel 4 .
  
highlights_snippet.sent: Robert Downey Jr became angry when questions turned to Robert Downey Jr personal life .
  