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/lacrossetribune.com/content/tncms/assets/v3/editorial/b/b3/bb3031a1-8905-5a62-94b1-1f261f926daa/57b3952d6ed48.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.