Mark Zuckerberg's wife Priscilla Chan grimaces through Vegas UFC fight

‘s wife Priscilla Chan stole the show at a UFC fight on Saturday when she was seen reacting in horror to the violent fight unfolding mere feet from her front-row seat.

Chan, 37,  put on an animated display at the edge of the octagon, cowering behind her hands as a pair of fighters threw vicious punches and kicks at each other at the Vegas 61 tournament.

At one point the trained pediatrician peered out from between her fingers at the fight, but appeared to shriek as blows flew and she covered her eyes again.

Chan was seated alongside her billionaire  founding husband, who could be seen reacting with contrasting glee throughout the evening.

The couple, who ar

Chan looking horrified at the UFC fight

Chan hides behind her hands as the fight unfolds

Mark Zuckerberg’s wife Priscilla Chan stole the show at a Las Vegas UFC fight on Saturday when she was seen reacting in horror to the violent fight unfolding mere feet from her front-row seat

Chan was seated alongside her billionaire Facebook founding husband, who could be seen reacting with contrasting glee throughout the evening

Chan was seated alongside her billionaire Facebook founding husband, who could be seen reacting with contrasting glee throughout the evening

The fight was broadcast on television however, with Zuckerberg and Chan being visible to viewers whenever the fights moved over to their corner of the ring.

Sharp-eyed viewers soon noticed Chan’s horrified expression, and took to Twitter to share their amusement.

‘I don’t think Mark Zuckerberg’s wife knew what she was getting into tonight,’ wrote one user while sharing the clip. 

‘Mark Zuckerberg’s wife has never witnessed a fight in her life,’ another tweeted, pairing it with a crying emoji.

‘Zuckerberg’s wife looks horrified,’ said another.

Terror alights Chan's face as the punches fly

The horror! The horror! Chan screams as the fighters beat one another to a pulp mere feet from her face

Chan, 37, put on an animated display at the edge of the octagon, cowering behind her hands as a pair of fighters threw vicious punches and kicks at each other at the UFC Vegas 61 tournament

Zuckerberg’s interest in MMA is well known and ahead of Saturday’s event, rumors were swirling that he himself might fight.

Last month, the Meta CEO shared a video of himself sparring with mixed martial artist Khai ‘The Shadow’ Wu just before the fighter’s UFC debut on September 3 versus Joshua Dillon.

Zuckerberg shared the video on Instagram and it began by showing the two trading punches and kicks in a studio while outfitted in fight training pads.

The pair are then seen grappling on the floor, with Wu exclaiming ‘nice!’ when Zuckerberg rolls over Wu and gets on top of him.

Meta CEO Mark Zuckerberg shared a video of himself on September 3 in MMA gear, sparring with UFC fighter Khai 'The Shadow' Wu

Meta CEO Mark Zuckerberg shared a video of himself on September 3 in MMA gear, sparring with UFC fighter Khai ‘The Shadow’ Wu

Meta's CEO is a known MMA fan and his video gathered more than 358,179 likes as of October 2

Meta’s CEO is a known MMA fan and his video gathered more than 358,179 likes as of October 2

  Chan was not the only reason Saturday’s fight made headlines, as many UFC fighters took to the internet to voice their frustration that Zuckerberg booked out the arena at the expense of fans.

‘The best part about the ufc events live is the crowd going nutso like stay home bro wtf,’ tweeted fighter Al Laquinta.

Fighter Nathan Querry agreed, katrina tweeting ‘That the UFC thinks this is a great marketing opportunity shows how out of touch they are.I’m old enough to remember when the fighters were the main draw. Not the promoter. And certainly not a guest at the fights.’ 

Facebook founder Mark Zuckerberg and his doctor wife Priscilla Chan. The two rented out the entire  UFC event on Saturday

Facebook founder Mark Zuckerberg and his doctor wife Priscilla Chan. The two rented out the entire  UFC event on Saturday

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