Rupert Murdoch's wife Wendi Deng, 42, impressed the world when she swatted away the man who tried to attack her husband on Tuesday.
The media mogul was being questioned by MPs in a parliamentary hearing over the phone-hacking scandal that has engulfed his global empire.
Midway through the session, comedian Jonnie Marbles rushed from the public gallery towards the News Corp chairman with a foam pie.
But the 80-year-old media tycoon was defended from the attack by the lightning reactions of his third wife Wendi.
Dressed in pink, she slapped his assailant, preventing him from landing a decisive blow.
The members of the committee were impressed with Wendi's quick-thinking.
Labour MP Tom Watson told the media boss: "Your wife has a very good left hook."
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