As Michael Phelps lifted his head from the water after winning his 20th Olympic gold medal, imitating Dikembe Mutombo's legendary finger wag, he was cheered on by some of Team USA's biggest athletes and the NBA's most well-known stars.
Kevin Durant and co. have really been getting into the Olympic spirit during the games, mingling with athletes from across the globe and showing support for their compatriots at every given opportunity.
Following two routine wins, the basketball team had an off day ahead of their game with Australia - the biggest challenge of their campaign so far - and headed to the pool to continue their tradition of attending the finals.
Phelps took on his South African rival Chad le Clos in the 200m butterfly. Recording a time of 1:53.36, the American become the first man in history to win four Olympic medals in the same event. The man who beat him in London 2012 finished off the podium in fourth.
Watching on from the side, a video emerged of NBA superstars Durant and DeAndre Jordan - kitted out in full Team USA colours, flags and all - looking absolutely delighted with the result. It was a great day for the American swimmers as Katie Ledecky also won gold in the Women's 200m freestyle.
The USA top the medals table with an incredible 26 overall after just four days of competition. With nine golds, eight silvers and nine bronzes, they are ahead of China, who have eight golds and 17 in total.
The NBA's big guns will be hoping they can help their nation stay ahead of China once their time comes.