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Prince Harry and Meghan Markle are expected to attend Super Bowl LVIII on Sunday, Fox News Digital has learned.

The news comes after Harry made a surprise appearance at the NFL Honors on Thursday night to present the Walter Payton NFL Man of the Year Award. The Duke of Sussex showed up to the event right after visiting his father, King Charles III, in England following the British monarch's cancer diagnosis.

Harry used humor to present Pittsburgh Steelers defensive lineman Cam Heyward with the award on Thursday.

"I really love how you stole rugby from us, and you made it your own — instead of passing it backwards, just passing it forwards," he said onstage.

QUEEN CAMILLA SHARES KING CHARLES HEALTH UPDATE AFTER CANCER DIAGNOSIS

Prince Harry and Meghan Markle at the Invictus Games

Prince Harry and Meghan Markle are expected to attend Super Bowl LVIII, a source told Fox News Digital. (Getty Images)

"Why not wear pads and a helmet? Of course, have an offense and defense — that makes sense. And why not take a breather every 15 seconds? And you know what? Instead of a 10-month season, let’s just make it 18 weeks. Genius!"

"Oh, man. Prince freaking Harry," Heyward said as he took the stage to accept the honor. "Man, I’m in shock. That’s Prince Harry."

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Prince Harry presents an award at the NFL Honors

Prince Harry presented an award at Thursday's NFL Honors. (Getty Images)

Right before joining the NFL for the biggest sports award night of the year, Harry flew over 5,000 miles to visit his father. King Charles was diagnosed with cancer, Buckingham Palace announced Monday.

"During The King’s recent hospital procedure for benign prostate enlargement, a separate issue of concern was noted," Buckingham Palace said in a statement. "Subsequent diagnostic tests have identified a form of cancer."

Charles' specific cancer diagnosis is currently unknown.

King Charles laughing

Buckingham Palace announced King Charles' cancer diagnosis on Monday.   (Andrew Matthews/PA Images via Getty Images)

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Prince Harry's trip to England was short, a royal expert told Fox News Digital.

"He was there for 24 hours, he saw his father for 45 minutes, he flew — and announced to the press — after the king’s statement was released, even though we later heard that he was told beforehand, and he didn’t see his sister-in-law or nieces and nephews even though they are also dealing with a traumatic health recovery," Shannon Felton Spence explained. "It’s hard to view it as anything other than an image saver for Harry. And that pains me, because I was really hoping this was the news he needed to wake him up and fix it."

Prince Harry, King Charles

Prince Harry flew to England to see King Charles after finding out about his father's cancer diagnosis. (Getty Images)

Harry spent time with His Majesty at Clarence House and did not meet with his brother, Prince William.

Prince Harry returned home Wednesday. The Duke of Sussex was spotted at Heathrow Airport in London before boarding a commercial flight back to Los Angeles.

Markle and the kids, Archie and Lilibet, stayed behind in California during the excursion.

Meghan Markle in a white shirt and sunglasses smiles at Prince Harry in a black polo at the Invictus Games in Toronto

Meghan Markle did not travel to the U.K. with Prince Harry for his visit with King Charles III. (Danny Lawson/PA Images via Getty Images)

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