Jennifer Lawrence confronted Anderson Cooper after he claimed she faked her infamous fall at the Oscars in 2013.
The 30-year-old actress was walking up to the stage to collect her first Academy Award for her performance in Silver Linings Playbook eight years ago when she got caught in her Dior Haute Couture ball gown and tripped on the stairs.
Although she brushed off the blunder at the time, the embarrassment lingered for a long time after the event.
She recalled: "I was very nervous and also very superstitious. I didn't want to acknowledge the possibility that I would win. I didn't want to write down a speech. I had everything in my head.