Simone Biles wore her favorite workout gear on the red carpet — kind of. For the ESPYs 2025 red carpet on Wednesday night, the Olympic gymnast teamed up with Zac Posen, who created a unique gown in partnership with Athleta, of which she’s an ambassador.

Olympic champion Simone Biles made a grand entrance at the 2025 ESPY Awards in a glittering navy gown—but it wasn’t just fans or photographers who were impressed. Her younger sister, Adria Biles, had one of the most passionate reactions to Simone’s eye-catching look.

Presented by ESPN, the ESPY Awards honor the the top athletes and sport performances of the year. Ahead, see what stars like Simone Biles, Ilona Maher, Lindsey Vonn and Ciara wore on the red carpet ahead of the 2025 ceremony. Guests at the party were reportedly banned from taking pictures and videos on their phones.