Sinead O'Connor on what killed her 16-day marriage

Sinead O'Connor 45, announced her split from Barry Herridge on Monday, 18 days after they tied the knot .

Story highlights

  • O'Connor announced her split from fourth husband, Barry Herridge, on Monday
  • The two tied the knot in a well-planned December 8 drive-through wedding in Las Vegas
  • O'Connor says she went on a frantic hunt for cannabis on their wedding night