According to the BBC, Biles was stopped so many times for photos during the parade of nations that the show was delayed.

>> PHOTOS: Closing ceremonies at the Rio Olympics

"What an incredible, breathtaking experience the 2016 Olympic Games this has been. All good things must end," Biles wrote on Instagram after the ceremony. "Thank you RIO for unforgettable memories. Being the flag bearer was a cherry on top! Congrats to all the other USA athletes as well. We killed it out there! GO TEAM USA."

>> Click here to see the post

The United States performed well during the Olympics, winning 121 medals – almost double the next competing nation. China won 70, and Great Britain earned 67.

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"Couldn't be prouder of #TeamUSA. Your determination and passion inspired so many of us. You carried that flag high tonight, @Simone_Biles!" President Obama tweeted Sunday night.