From Simone Biles to Jamie Lee Curtis ... "I'm so proud of you," Kotb told Biles. "I love you." Maria Shriver, who Kotb credited as helping her find a new chapter, also stopped by the show.

In a look back through Kotb's own "eras," the broadcast featured an interview with gymnastics legend Simone Biles and a surprise appearance by Biles herself which brought Kotb to tears. "I'm so proud ...

In a look back through Kotb's own "eras," the broadcast featured an interview with gymnastics legend Simone Biles ... of you," Kotb told Biles. "I love you." Maria Shriver, who Kotb credited ...