Simone Biles and Zac Efron: Who's the bigger fan of whom?
![Simone Biles and Zac Efron: Who's the bigger fan of whom?](http://bloximages.chicago2.vip.townnews.com/journalstar.com/content/tncms/assets/v3/editorial/1/a1/1a1cd768-8c36-52d6-b273-1f13cccd0cd4/57b39215533bc.image.jpg?resize=300%2C247)
RIO DE JANEIRO (AP) — Simone Biles, the biggest breakout star of the Rio Olympics, was starstruck. Understandable — despite four gold medals the gymnast is still a 19-year-old meeting movie star Zac Efron.