Simone Biles and Suni Lee, both all-around champions, competed head-to-head for the first time in the Olympic all-around event in a historic night for women's gymnastics, with Biles emerging victorious.Simone Biles was last to go in the last rotation of the night.She waited and watched as all the other gymnasts finished before her.Biles entered the final rotation on the floor in first place and held onto her lead. The 27-year-old becomes the oldest women's all-around champion since 1952.Biles entered the Paris Olympics as the most decorated gymnast in history and has now added two more golds to her count.Suni Lee needed an almost flawless final performance. She delivered an incredible floor routine, which launched her onto the podium and earned her the bronze medal.U.S. gymnasts have won the individual all-around at the last five Olympics. Now, Paris has added to that list.