Unstoppable Simone Biles wraps up world championships comeback

In Antwerp, where she started her collection of 23 world titles 10 years ago, Biles has made a stunning return to the international stage.

Make it 23 titles: Unstoppable Biles wraps up world championships

Led by Simone Biles, older U.S. gymnasts are also some of the best

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Make it 23 titles: Unstoppable Biles wraps up world championships

Make it 23 titles: Unstoppable Biles wraps up world championships

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8 Things You Might Not Know About U.S. Gymnast Simone Biles

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Make it 23 titles: Unstoppable Biles wraps up world championships