A future British king met the king of basketball on Monday night. Prince William, accompanied by his pregnant wife, Kate, was invited to go backstage with Cleveland Cavaliers' star LeBron James following the team's 110-88 win against the Brooklyn Nets. Down in the Vaults at the Barclays Center, a basement hospitality suite, they were introduced to the athlete, who handed them a gift-wrapped box of cup cakes from his home town of Akron, Ohio. The superstar, dubbed 'King James', also presented the couple with two Cavaliers jerseys, including a maroon one for Prince George - who remains in England - that had 'George 1' printed on it. Scroll down for video . British royalty meets basketball royalty: On Monday night, LeBron James asked William what size shoes he wore, to which the Prince replied, 'Half the size of yours,' while pointing at the star's huge feet (pictured) In good spirits: The Duchess promptly burst into a fit of giggles, before brushing her hair back from her face as she attempted to regain her posture. James then put his arm around her shoulder to pose for photos . High-profile encounter: Prince William, accompanied by his pregnant wife, Kate, was invited to go backstage with the Cleveland Cavaliers' star following the team's 110-88 win against the Brooklyn Nets on Monday . In action: William and Kate are pictured watching James #23 in action during the Brooklyn basketball game . The other jersey - in yellow - featured the words: 'Cambridge 7'. During the pre-arranged encounter, William told James he and Kate had been impressed by their very first NBA game. 'It was good, really good. Our first time,' the Prince, who was sat directly opposite singer Beyonce and her rapper husband Jay-Z during the game, told the 6ft 8in 29-year-old star . He added: 'I went to the White House for the first time. It was quite daunting.' Earlier in the day, the Duke of Cambridge had flown to Washington D.C. to meet with President Barack Obama and address an anti-corruption conference at the World Bank. Meanwhile, his wife - who is nearly five months' pregnant - had been visiting disadvantaged children in Harlem, New York, who thought she was a princess from the popular Disney film, Frozen. During his backstage meeting with the royal couple, James asked William what size shoes he wore, to which the Prince replied, 'Half the size of yours,' while pointing at the star's huge feet. Gifts: Down in the Vaults at the Barclays Center, a basement hospitality suite, the royals met the athlete, who handed them two Cavaliers jerseys, including a maroon one for Prince George with 'George 1' printed on it . Personalized jerseys: The other jersey - in yellow (right) - featured the words: 'Cambridge 7'. During the pre-arranged encounter, William told James he and Kate had been impressed by their very first NBA game . Another present: The superstar, dubbed 'King James', also presented the couple with a gift-wrapped box of cup cakes from his home town of Akron, Ohio. Above, William holds the box of cupcakes as Kate looks on . Amused: James (left) laughs with New York Yankees' CC Sabathia (right) as they look at his cell phone . The Duchess promptly burst into a fit of giggles, before brushing her hair back from her face as she attempted to regain her posture. James then put his arm around her shoulder to pose for photos. Earlier on Monday, the athlete had told ESPN it was an honor to play for royalty. 'It's a huge honor,' he said. 'The stuff that you read about, people like them are only in books growing up.' 'To hear that they're coming to town to see me play and they want to see me do what I do best, it's a huge honor,' the athlete continued. James had also backed protests over the death of black 43-year-old, Eric Garner, at the hands of a white police officer by wearing an 'I Can't Breathe' T shirt during his warm up. Honored by his royal audience: Earlier on Monday, the athlete had told ESPN it was an honor to play for royalty. 'It's a huge honor,' he said. 'The stuff that you read about, people like them are only in books growing up' Demonstrating: The basketball star had also backed protests over the death of black 43-year-old, Eric Garner, at the hands of a white police officer by wearing an 'I Can't Breathe' T shirt (pictured) during his warm up . High-profile encouter: William and Kate and Beyoncé and Jay-Z, came face-to-face at the game on Monday . Famous faces: Pre-arranged encounter: Kensington Place courtiers had already arranged with NBA officials that the two couples would meet during the third and fourth quarters of the game. Above, Beyonce and Jay-Z . Cavaliers' Kyrie Irving and multiple Nets players, including Kevin Garentt and Deron Williams, also wore T-shirts featuring the same slogan to demonstrate against a grand jury's decision in the case. Before the game, James said: 'Obviously as a society we have to do better, we have to have empathy better for one another no matter what race you are.' However, there was no mention of the controversy when James met the royal couple, who are expecting their second child in April next year.
Prince William and wife, Kate, met LeBron James after Monday's game .
Cavaliers' star handed them box of cupcakes from his Ohio hometown .
He also presented royals with two team jerseys - one for Prince George .
Trio joked about size of James's feet, causing pregnant Kate to giggle .
Athlete, dubbed 'King James', helped Cavaliers trounce the Nets 110-88 .
Earlier wore 'I Can't Breathe' top in Eric Garner protest during warm up .
A future British king met the king of basketball on Monday night. Prince William, accompanied by his pregnant wife, Kate, was invited to go backstage with Cleveland Cavaliers' star LeBron James following the team's 110-88 win against the Brooklyn Nets. Down in the Vaults at the Barclays Center, a basement hospitality suite, they were introduced to the athlete, who handed them a gift-wrapped box of cup cakes from his home town of Akron, Ohio. The superstar, dubbed 'King James', also presented the couple with two Cavaliers jerseys, including a maroon one for Prince George - who remains in England - that had 'George 1' printed on it. Scroll down for video . British royalty meets basketball royalty: On Monday night, LeBron James asked William what size shoes he wore, to which the Prince replied, 'Half the size of yours,' while pointing at the star's huge feet (pictured) In good spirits: The Duchess promptly burst into a fit of giggles, before brushing her hair back from her face as she attempted to regain her posture. James then put his arm around her shoulder to pose for photos . High-profile encounter: Prince William, accompanied by his pregnant wife, Kate, was invited to go backstage with the Cleveland Cavaliers' star following the team's 110-88 win against the Brooklyn Nets on Monday . In action: William and Kate are pictured watching James #23 in action during the Brooklyn basketball game . The other jersey - in yellow - featured the words: 'Cambridge 7'. During the pre-arranged encounter, William told James he and Kate had been impressed by their very first NBA game. 'It was good, really good. Our first time,' the Prince, who was sat directly opposite singer Beyonce and her rapper husband Jay-Z during the game, told the 6ft 8in 29-year-old star . He added: 'I went to the White House for the first time. It was quite daunting.' Earlier in the day, the Duke of Cambridge had flown to Washington D.C. to meet with President Barack Obama and address an anti-corruption conference at the World Bank. Meanwhile, his wife - who is nearly five months' pregnant - had been visiting disadvantaged children in Harlem, New York, who thought she was a princess from the popular Disney film, Frozen. During his backstage meeting with the royal couple, James asked William what size shoes he wore, to which the Prince replied, 'Half the size of yours,' while pointing at the star's huge feet. Gifts: Down in the Vaults at the Barclays Center, a basement hospitality suite, the royals met the athlete, who handed them two Cavaliers jerseys, including a maroon one for Prince George with 'George 1' printed on it . Personalized jerseys: The other jersey - in yellow (right) - featured the words: 'Cambridge 7'. During the pre-arranged encounter, William told James he and Kate had been impressed by their very first NBA game . Another present: The superstar, dubbed 'King James', also presented the couple with a gift-wrapped box of cup cakes from his home town of Akron, Ohio. Above, William holds the box of cupcakes as Kate looks on . Amused: James (left) laughs with New York Yankees' CC Sabathia (right) as they look at his cell phone . The Duchess promptly burst into a fit of giggles, before brushing her hair back from her face as she attempted to regain her posture. James then put his arm around her shoulder to pose for photos. Earlier on Monday, the athlete had told ESPN it was an honor to play for royalty. 'It's a huge honor,' he said. 'The stuff that you read about, people like them are only in books growing up.' 'To hear that they're coming to town to see me play and they want to see me do what I do best, it's a huge honor,' the athlete continued. James had also backed protests over the death of black 43-year-old, Eric Garner, at the hands of a white police officer by wearing an 'I Can't Breathe' T shirt during his warm up. Honored by his royal audience: Earlier on Monday, the athlete had told ESPN it was an honor to play for royalty. 'It's a huge honor,' he said. 'The stuff that you read about, people like them are only in books growing up' Demonstrating: The basketball star had also backed protests over the death of black 43-year-old, Eric Garner, at the hands of a white police officer by wearing an 'I Can't Breathe' T shirt (pictured) during his warm up . High-profile encouter: William and Kate and Beyoncé and Jay-Z, came face-to-face at the game on Monday . Famous faces: Pre-arranged encounter: Kensington Place courtiers had already arranged with NBA officials that the two couples would meet during the third and fourth quarters of the game. Above, Beyonce and Jay-Z . Cavaliers' Kyrie Irving and multiple Nets players, including Kevin Garentt and Deron Williams, also wore T-shirts featuring the same slogan to demonstrate against a grand jury's decision in the case. Before the game, James said: 'Obviously as a society we have to do better, we have to have empathy better for one another no matter what race you are.' However, there was no mention of the controversy when James met the royal couple, who are expecting their second child in April next year.
backstage with Cleveland Cavaliers' star LeBron introduced to the athlete, who handed them a James', also presented the couple with two accompanied by his pregnant wife, Kate, was suite, the royals met the athlete, who handed one for Prince George with 'George 1' printed on superstar, dubbed 'King James', also presented from his home town of Akron, Ohio. Above, William holds the box of cupcakes as Kate looks on . over the death of black 43-year-old, Eric Garner, an 'I Can't Breathe' T shirt during his warm up. up . High-profile encouter: William and Kate and