Seven-time Olympic gold medallist Biles was among the crowd at the Arthur Ashe Stadium as third seed Gauff suffered an error-strewn public unravelling that left her sobbing into her towel at one point in a calamitous first set.

Brazil's Rebeca Andrade beat Simone Biles to floor gold on the final day of the Olympic gymnastics competition on Monday, ending the US gymnastic great's bid for a fourth title at the Paris Games.

US gymnastics star Simone Biles slipped off the balance beam and finished out of the medals on the unforgiving apparatus on Monday, ending her bid for a record five golds at the Paris Olympics.

Simone Biles soared to women's vault gold on Saturday, her gravity-defying Yurchenko double pike propelling her to a third triumph of the Paris Games and her seventh career Olympic crown.

Simone Biles is set to compete for her third gold medal, this time on the vault, while China's Zheng Qinwen is aiming to make history by taking the country's first gold medal in women's tennis singles.

Already considered the greatest gymnast of all time, the American Biles made another piece of history as the first woman to regain the Olympic all-around title, having won it in 2016.

There will be 18 gold medals up for grabs in France, including four each in rowing and swimming, plus two each in judo, sailing and athletics, while Olympic champions will also be crowned in shooting, artistic gymnastics, and fencing.

Adding to the early criticism about the quality and quantity of the food at the Olympic Village, the queen of gymnastics gave the French offerings there a thumbs-down, opining that athletes would need to get out to enjoy the "real" local cuisine.

Biles makes her second appearance at the Paris Games in the women's team final, where she hopes to win a fifth Olympic gold medal for the United States.

A galaxy of A-listers, from Hollywood star Tom Cruise to Vogue editor-in-chief Anna Wintour, crowded into a packed Bercy Arena to watch as Biles began her quest for Olympic redemption.

Simone Biles will make her eagerly anticipated first appearance at the Paris Olympics on Sunday while British breaststroke king Adam Peaty aims to emulate Michael Phelps in the swimming pool.

The absence of Russia only bolsters America's team chances.

The four-time Olympic gold medallist electrified the SAP Center crowd with a soaring floor routine that included a rock-solid landing on her signature Biles I tumbling pass of double layout with a half-twist.

Biles electrified a sellout crowd in suburban Chicago with a stunning performance, receiving an all-around judges' total score of 59.100 points

The World Anti-Doping Agency slams Russian hackers who breached its database and published confidential records of US Olympic gymnast Simone Biles and tennis stars Venus and Serena Williams.

From the dizzying gymnastics heights of African-American Simone Biles to Indian wrestler Sakshi Malik and Brazilian golden girl Rafaela Silva in judo -- Rio proves a groundbreaking Games for women.