People are pretty sure that Bradley Cooper and Irina Shayk were fighting at Wimbledon

People Can't Stop Speculating that Bradley Cooper and Irina Shayk Were Fighting at Wimbledon

When you're a celebrity, you always have to assume there's a camera on you, even when you're just having a run-of-the-mill fight in the stands at Wimbledon.

This is a lesson Bradley Cooper and his girlfriend, supermodel Irina Shayk, learned the hard way on Sunday. The couple, who have been dating for more than a year, were spotted in the stands at the famed tennis tournament, and it looked like they weren't having the best time.

WATCH: Bradley Cooper and Irina Shayk Are the Absolute Cutest Couple at Wimbledon

A bearded Cooper was seen speaking intensely to Shayk, who appears to be dabbing tears out of her eyes, before crossing her arms and refusing to look at him.

While there is no way to know for sure if the two really are fighting, or what they could be possibly fighting about, that didn't stop the Internet from speculating wildly the way the Internet loves to do.

RELATED: Photos of celebrities at Wimbledon

Celebs at Wimbledon
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Celebs at Wimbledon
 Beyonce and Jay Z couldn't contain their excitement as they watched their close friend, Serena Williams, go for the win! Photo by Karwai Tang/WireImage)

We love their royal expressions! Kate and Will were all cheers as their Brit Andy Murray clinched a win!

 (Photo by Karwai Tang/WireImage)

Ellen DeGeneres and Portia de Rossi stood at attention as they walked Serena Williams snag the trophy at the women's final. (Photo by Karwai Tang/WireImage)
Natalie Portman was all smiles at the women's final. (Photo by Karwai Tang/WireImage)
"Beauty and the Beast" stud Luke Evans looked slick in a set of sunnies nexy to Poppy Delevingne at the Men's Final. (Photo by Karwai Tang/WireImage)
Benedict Cumberbatch and Sophie Hunter cuddled up as they talked about the match. We love his nerdy eyeglasses. (Photo by Karwai Tang/WireImage)
Model Suki Waterhouse hit the men's final -- and was seated shockingly close to her ex, Bradley Cooper. (Photo by Karwai Tang/WireImage)
Look who is all riled up! Bradley Cooper couldn't contain his excitement at Wimbledon. (Photo by Karwai Tang/WireImage)
Class act! Pippa Middleton showed off her summery style in a pink dress and on-trend sunnies. (Photo by Karwai Tang/WireImage)
Ellie Goulding looked like she was having a blast at Wimbledon. (Photo by Karwai Tang/WireImage)
Kate Middleton was bright in yellow in her booth! Photo by Karwai Tang/WireImage)
Former One Direction singer Niall Horan was all about Wimbledon. (Photo by Karwai Tang/WireImage)

Musician Barry Gibb and wife Linda seemed impressed with the competition.

 (Photo by Karwai Tang/WireImage)

Prince Harry's former girlfriend Cressida Bonas ditched the bright colors and opted for a dark outfit at the tennis match. (Photo by Karwai Tang/WireImage)

Sophie, Countess of Wessex was tennis chic in classic separates. 

(Photo by Karwai Tang/WireImage)

"Game of Thrones" star Sophie Turner looked intently onto the match. (Photo by Karwai Tang/WireImage)
Royals Zara Phillips and Mike Tindall snagged a shady spot to watch tennis. (Photo by Karwai Tang/WireImage)
David Beckham and his sons Cruz and Romeo definitely looked ready for a day of tennis. They are regulars at Wimbledon. (Photo by Karwai Tang/WireImage)
That's love! Bradley Cooper and girlfriend Irina Shayk whispered to each other in between matches. (Photo by Karwai Tang/WireImage)
Pippa Middleton was wild for geometrics in this patterned number. (Photo by Karwai Tang/WireImage)
Sienna Miller and Bennett Miller were very serious about their cheering. (Photo by Karwai Tang/WireImage)
Anna Wintour didn't bother cracking a smile during the competition. (Photo by Karwai Tang/WireImage)
Douglas Booth rocked a dapper gray suit for his day at the tennis matches -- and we're into it. (Photo by Karwai Tang/WireImage)
 Heidi Klum and Vito Schnabel packed on the PDA in the stands. (Photo by Karwai Tang/WireImage)
Former Prime Minister David Cameron and his mother Mary attended the Men's Final of the Wimbledon Tennis Championships. (Photo by Karwai Tang/WireImage)
"Cinderella" star Lily James and Marinette Mantle wore pretty dressed to the finals. (Photo by Karwai Tang/WireImage)
Maisie Williams and Will Dale looked chic and preppy at the match. (Photo by Karwai Tang/WireImage)
Alesha Dixon and "Dancing With the Stars" judge Bruno Tonioli made some funny faces as they watched the match. (Photo by Karwai Tang/WireImage)

However, as pointed out by a number of fans, there was a familiar face in the crowd that could have sown the seeds of discord between the two: Cooper's ex-girlfriend, Suki Waterhouse.

WATCH: Bradley Cooper Kisses Irina Shayk in Rare PDA Moment at Paris Fashion Week Party

The 24-year-old English model dated the Hangover star for two years, from March 2013 to March 2015, one month before Cooper sparked a relationship with his current lady love.

Is Waterhouse's presence why the two were fighting? The world may never know (but online commenters seem pretty sure).

And to think, Cooper and Shayk were the cutest couple at the whole tournament when they were packing on the PDA in the stands just days ago.

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