Simone Biles attends 2019 Superstars of Gymnastics event at the O2 Arena in London, England, on March 23, 2019. CREDIT: ATP/WENN.com Sandra Rose 2 years ago share 2019 Superstars of Gymnastics event at the O2 Arena in London Featuring: Simone Biles Where: London, United Kingdom When: 23 Mar 2019 Credit: ATP/WENN.com **Not available for publication in Germany or France**