A source tells ET that Olympian Mary Lou Retton is joining the cast.
“She turned 50 this year, but is in great shape and will definitely impress people with her flexibility and choreography,” the source says of the former gymnast, who won a gold medal in the individual all-around competition as well as two silver medals and two bronze medals at the 1984 summer games in Los Angeles. …
Gymnastics Coaching.com 