Pinching my nostrils and taking three swallows of water without stopping usually works for me.
I saw th einternview with the girl. She was nawing on gum like Violet from Willy Wonka.
\My surefire cure is a lemon wedge, sugar on one side and bitters on the other.
Blow out all your air and then bite down on the lemon. Swallow and then breath. Hiccups are gone.