Simone Biles is a four-time Olympic gold medalist and has won numerous other championships and titles.
Olivia Dunne is a rising star in the gymnastics world and has already won several national and international competitions.
Biles is known for her incredible power and athleticism, while Dunne is praised for her grace and precision.
Both gymnasts have unique strengths and styles that set them apart from each other.
Biles has more experience and a longer track record of success, while Dunne is still relatively new to the sport.
It will be exciting to see how both of these talented athletes continue to develop and compete in the future.