Jennifer Lawrence fell over at the Oscars, not because of overwhelming nerves, nor even, as Joan Rivers cruelly suggested recently, because she "tripped over her own ego".
The American Hustle star came crashing to the ground because she couldn't stop thinking about cake.
The actress, who collected her Best Actress Oscar for her role as a depressive singleton in Silver Linings Playbook at the 2013 Academy Awards, told W Magazine: "I was at the Oscars, waiting to hear? if my name was called, and I kept thinking, cakewalk, cakewalk, cakewalk.
"I thought, 'Why is 'cakewalk' stuck in my head?'
"And then, as I started to walk up the stairs and the fabric from my dress tucked under my feet, I realised my stylist had told me, 'Kick, walk, kick, walk'.